Disseminated Mycobacterium Tuberculosis with Ulceronecrotic Cutaneous Disease Presenting As Cellulitis Kelly L

Total Page:16

File Type:pdf, Size:1020Kb

Disseminated Mycobacterium Tuberculosis with Ulceronecrotic Cutaneous Disease Presenting As Cellulitis Kelly L Lehigh Valley Health Network LVHN Scholarly Works Department of Medicine Disseminated Mycobacterium Tuberculosis with Ulceronecrotic Cutaneous Disease Presenting as Cellulitis Kelly L. Reed DO Lehigh Valley Health Network, [email protected] Nektarios I. Lountzis MD Lehigh Valley Health Network, [email protected] Follow this and additional works at: http://scholarlyworks.lvhn.org/medicine Part of the Dermatology Commons, and the Medical Sciences Commons Published In/Presented At Reed, K., Lountzis, N. (2015, April 24). Disseminated Mycobacterium Tuberculosis with Ulceronecrotic Cutaneous Disease Presenting as Cellulitis. Poster presented at: Atlantic Dermatological Conference, Philadelphia, PA. This Poster is brought to you for free and open access by LVHN Scholarly Works. It has been accepted for inclusion in LVHN Scholarly Works by an authorized administrator. For more information, please contact [email protected]. Disseminated Mycobacterium Tuberculosis with Ulceronecrotic Cutaneous Disease Presenting as Cellulitis Kelly L. Reed, DO and Nektarios Lountzis, MD Lehigh Valley Health Network, Allentown, Pennsylvania Case Presentation: Discussion: Patient: 83 year-old Hispanic female Cutaneous tuberculosis (CTB) was first described in the literature in 1826 by Laennec and has since been History of Present Illness: The patient presented to the hospital for chest pain and shortness of breath and was treated for an NSTEMI. She was noted reported to manifest in a variety of clinical presentations. The most common cause is infection with the to have redness and swelling involving the right lower extremity she admitted to having for 5 months, which had not responded to multiple courses of antibiotics. She acid-fast bacillus Mycobacterium tuberculosis via either primary exogenous inoculation (direct implantation resided in Puerto Rico but recently moved to the area to be closer to her children. Our dermatology service was consulted for evaluation of the lesions. Her medical history of mycobacterium into the skin), secondary to endogenous spread (hematogenous or direct extension of was pertinent for chronic low dose systemic corticosteroids for polymyalgia rheumatica. She denied fever, cough, night sweats, fatigue or other systemic symptoms. mycobacterium to the skin from an internal source, typically lung), or as a cutaneous reaction known as a tuberculid (reactive eruption without the presence of mycobacterium in the skin). Occasionally M.bovis Medical History/Surgical History: polymyalgia rheumatica, coronary artery disease, diabetes mellitus type 2, hypertension, atrial fibrillation, asthma, and the bacilli Calmette-Guérin (BCG) vaccine have been reported to cause cutaneous disease. Cutaneous hyperlipidemia tuberculosis accounts for <1-2% of all cases of TB and most often affects immunocompromised hosts due to Social History: >100 pack year smoking history HIV infection or medications, such as TNF-α inhibitors and corticosteroids. Current Medications: prednisone 5mg, quinapril, pravastatin, albuterol inhaler, fluticasone inhaler, aspirin, insulin glargine, diltiazem Clinical presentation is extremely variable and is dependent upon the route of infection and the bacterial load in lesions. Exogenous inoculation often causes a tuberculous chancre or TB verrucosa cutis, while endogenous Physical Examination: Afebrile with multiple red to purple painful indurated plaques associated with pitting edema extending along the right lower extremity spread causes scrofuloderma, miliary TB or lupus vulgaris. Tuberculids are reactive conditions, which include and foot in a geographic distribution. Over the course of two weeks, the lesions became progressively necrotic and ulcerated. The left leg and remainder of skin exam papulonecrotic lesions, lichen scrofulosorum and erythema induratum. Tuberculous cellulitis, as our patient was unremarkable. developed, is an uncommon presentation and does not fit neatly into the aforementioned categories. Laboratory Data: QuantiFERON TB Gold - positive Diagnosis of cutaneous TB is multifaceted and often includes a combination of the following modalities: Biopsy: Health Network Labs (S14-32700, 09/25/14) Right lateral upper leg: “Neutrophilic and focally granulomatous dermatitis.” Acid fast stain- negative PPD, interferon-γ release assay, tissue culture, PCR for mycobacterial DNA and tissue culture and/or biopsy with special staining techniques, such as Auramine-Rhodamine (highly sensitive fluorescent study), Ziehl- Tissue Culture: (09/25/14) Left lateral upper leg: Mycobacterium tuberculosis complex (10/02/14) Bronchial lavage lung left upper lobe: Mycobacterium Neelsen or Wade-Fite stain. The histopathological findings vary depending on the type of infection, however tuberculosis complex CTB is characteristically described as a mixed inflammatory reaction of the dermis and subcutis comprised Imaging: Chest x-ray (09/25/14) Well-circumscribed opaque nodules in bilateral lungs of neutrophils, multinucleate giant cells and epithelioid histiocytic granulomas, which may display some caseation necrosis. Diagnosis: Disseminated Mycobacterium tuberculosis Treatment of CTB is primarily antibiotic therapy, based upon the culture and sensitivities of the isolated strain Treatment: Topical wound care and quadruple antibiotic therapy with rifampin, isoniazid, ethambutol, pyrazinamide of M. tuberculosis due to the rise in multidrug-resistant TB (MDR-TB) and extensively drug-resistant TB (XDR- TB). This patient represents an interesting case of cutaneous tuberculosis from endogenous spread, presenting as a recalcitrant “cellulitis” that deteriorated to an uncommon ulceronecrotic form of the disease. Typically ulceronecrotic cases are due to tuberculid reactions, however in this case, the isolation of bacilli on tissue culture favors this to be an active cutaneous infection from hematogenous spread. There are fewer than ten reported cases of tuberculous cellulitis in the literature, seven of which reported systemic corticosteroid use, similar to our patient. Studies estimate approximately 20% of patients with CTB may have concomitant pulmonary TB as in our patient’s case. This case is relevant to dermatologists, because it increases awareness of cutaneous TB as the presenting symptom of disseminated tuberculosis infections in immunocompromised patients. It also serves as a reminder to maintain a high index of suspicion for such opportunistic infections, specifically in cases of resistant cellulitides and to complete a thorough patient work-up. References: Figure 1: Right lateral thigh with erythematous plaque Figure 2: Right medial foot with erythematous plaque Figure 3: Right dorsal foot with necrotic ulcerated Figure 4: Right lateral foot with large ulcerated plaque 2 and central ulceration developing at site of biopsy. and central stellate purpura and necrosis. plaque. weeks after admission. 1 Taguchi R, Nakanishi T, Imanishi H, et al. A case of tuberculous cellulitis. Clinical Medicine Insights: Case reports. 2015;(8):11-12. 2 Dias M, Quaresma M, Azulay D, et al. Update on cutaneous tuberculosis. An Bras Dermatol. 2014; 89(6):925-938. 3 Daido-Horiuchi Y, Kikuchi Y, Kobayashi S, et al. Tuberculous cellulitis in a patient with chronic kidney disease and polymyalgia rheumatica. Intern Med. 2012; 51:3203-3206. 4 Mahmud T, Paul HK, Zakaria ASM, et al. Study on association of cutaneous tuberculosis with pulmonary tuberculosis. Bangladesh Med Res Counc Bull. 2010;36:57-60. 5 Koba S, Okawa T, Misago N, et al. A case of tuberculous cellulitis lacking epithelioid granuloma. Acta Derm Venereol. 2013;93:596-597. © 2015 Lehigh Valley Health Network Figure 5: Chest x-ray with opaque nodules in Figure 6: H&E 4x Punch biopsy right lateral Figure 7: H&E 10x Closer view of histiocytic bilateral lungs. thigh showing neutrophilic and granulomatous epithelioid granuloma. dermatitis..
Recommended publications
  • Reporting of Diseases and Conditions Regulation, Amendment, M.R. 289/2014
    THE PUBLIC HEALTH ACT LOI SUR LA SANTÉ PUBLIQUE (C.C.S.M. c. P210) (c. P210 de la C.P.L.M.) Reporting of Diseases and Conditions Règlement modifiant le Règlement sur la Regulation, amendment déclaration de maladies et d'affections Regulation 289/2014 Règlement 289/2014 Registered December 23, 2014 Date d'enregistrement : le 23 décembre 2014 Manitoba Regulation 37/2009 amended Modification du R.M. 37/2009 1 The Reporting of Diseases and 1 Le présent règlement modifie le Conditions Regulation , Manitoba Règlement sur la déclaration de maladies et Regulation 37/2009, is amended by this d'affections , R.M. 37/2009. regulation. 2 Schedules A and B are replaced with 2 Les annexes A et B sont remplacées Schedules A and B to this regulation. par les annexes A et B du présent règlement. Coming into force Entrée en vigueur 3 This regulation comes into force on 3 Le présent règlement entre en vigueur January 1, 2015, or on the day it is registered le 1 er janvier 2015 ou à la date de son under The Statutes and Regulations Act , enregistrement en vertu de Loi sur les textes whichever is later. législatifs et réglementaires , si cette date est postérieure. December 19, 2014 Minister of Health/La ministre de la Santé, 19 décembre 2014 Sharon Blady 1 SCHEDULE A (Section 1) 1 The following diseases are diseases requiring contact notification in accordance with the disease-specific protocol. Common name Scientific or technical name of disease or its infectious agent Chancroid Haemophilus ducreyi Chlamydia Chlamydia trachomatis (including Lymphogranuloma venereum (LGV) serovars) Gonorrhea Neisseria gonorrhoeae HIV Human immunodeficiency virus Syphilis Treponema pallidum subspecies pallidum Tuberculosis Mycobacterium tuberculosis Mycobacterium africanum Mycobacterium canetti Mycobacterium caprae Mycobacterium microti Mycobacterium pinnipedii Mycobacterium bovis (excluding M.
    [Show full text]
  • Chapter 3 Bacterial and Viral Infections
    GBB03 10/4/06 12:20 PM Page 19 Chapter 3 Bacterial and viral infections A mighty creature is the germ gain entry into the skin via minor abrasions, or fis- Though smaller than the pachyderm sures between the toes associated with tinea pedis, His customary dwelling place and leg ulcers provide a portal of entry in many Is deep within the human race cases. A frequent predisposing factor is oedema of His childish pride he often pleases the legs, and cellulitis is a common condition in By giving people strange diseases elderly people, who often suffer from leg oedema Do you, my poppet, feel infirm? of cardiac, venous or lymphatic origin. You probably contain a germ The affected area becomes red, hot and swollen (Ogden Nash, The Germ) (Fig. 3.1), and blister formation and areas of skin necrosis may occur. The patient is pyrexial and feels unwell. Rigors may occur and, in elderly Bacterial infections people, a toxic confusional state. In presumed streptococcal cellulitis, penicillin is Streptococcal infection the treatment of choice, initially given as ben- zylpenicillin intravenously. If the leg is affected, Cellulitis bed rest is an important aspect of treatment. Where Cellulitis is a bacterial infection of subcutaneous there is extensive tissue necrosis, surgical debride- tissues that, in immunologically normal individu- ment may be necessary. als, is usually caused by Streptococcus pyogenes. A particularly severe, deep form of cellulitis, in- ‘Erysipelas’ is a term applied to superficial volving fascia and muscles, is known as ‘necrotiz- streptococcal cellulitis that has a well-demarcated ing fasciitis’. This disorder achieved notoriety a few edge.
    [Show full text]
  • Pattern of Cutaneous Tuberculosis Among Children and Adolescent
    Bangladesh Med Res Counc Bull 2012; 38: 94-97 Pattern of cutaneous tuberculosis among children and adolescent Sultana A1, Bhuiyan MSI1, Haque A2, Bashar A3, Islam MT4, Rahman MM5 1Dept. of Dermatology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, 2Dept. of Public health and informatics, BSMMU, Dhaka, 3SK Hospital, Mymensingh Medical College, Mymensingh, 4Dept. of Physical Medicine and Rehabilitation, BSMMU, Dhaka, 5Dept. of Dermatology, National Medical College, Dhaka. Email: [email protected] Abstract Cutaneous tuberculosis is one of the most subtle and difficult diagnoses for dermatologists practicing in developing countries. It has widely varied manifestations and it is important to know the spectrum of manifestations in children and adolescent. Sixty cases (age<19 years) of cutaneous tuberculosis were included in this one period study. The diagnosis was based on clinical examination, tuberculin reaction, histopathology, and response to antitubercular therapy. Histopahology revealed 38.3% had skin tuberculosis and 61.7% had diseases other than tuberculosis. Among 23 histopathologically proved cutaneous tuberculosis, 47.8% had scrofuloderma, 34.8% had lupus vulgaris and 17.4% had tuberculosis verrucosa cutis (TVC). Most common site for scrofuloderma lesions was neck and that for lupus vulgaris and TVC was lower limb. Cutaneous tuberculosis in children continues to be an important cause of morbidity, there is a high likelihood of internal involvement, especially in patients with scrofuloderma. A search is required for more sensitive, economic diagnostic tools. Introduction of Child Health (BICH) and Institute of Diseases of Tuberculosis (TB), an ancient disease has affected Chest and Hospital (IDCH) from January to humankind for more than 4,000 years1 and its December 2010.
    [Show full text]
  • Syphilis Staging and Treatment Syphilis Is a Sexually Transmitted Disease (STD) Caused by the Treponema Pallidum Bacterium
    Increasing Early Syphilis Cases in Illinois – Syphilis Staging and Treatment Syphilis is a sexually transmitted disease (STD) caused by the Treponema pallidum bacterium. Syphilis can be separated into four different stages: primary, secondary, early latent, and late latent. Ocular and neurologic involvement may occur during any stage of syphilis. During the incubation period (time from exposure to clinical onset) there are no signs or symptoms of syphilis, and the individual is not infectious. Incubation can last from 10 to 90 days with an average incubation period of 21 days. During this period, the serologic testing for syphilis will be non-reactive but known contacts to early syphilis (that have been exposed within the past 90 days) should be preventatively treated. Syphilis Stages Primary 710 (CDC DX Code) Patient is most infectious Chancre (sore) must be present. It is usually marked by the appearance of a single sore, but multiple sores are common. Chancre appears at the spot where syphilis entered the body and is usually firm, round, small, and painless. The chancre lasts three to six weeks and will heal without treatment. Without medical attention the infection progresses to the secondary stage. Secondary 720 Patient is infectious This stage typically begins with a skin rash and mucous membrane lesions. The rash may manifest as rough, red, or reddish brown spots on the palms of the hands, soles of the feet, and/or torso and extremities. The rash does usually does not cause itching. Rashes associated with secondary syphilis can appear as the chancre is healing or several weeks after the chancre has healed.
    [Show full text]
  • Pediatric Tuberculosis in India
    Current Medicine Research and Practice 9 (2019) 1e2 Contents lists available at ScienceDirect Current Medicine Research and Practice journal homepage: www.elsevier.com/locate/cmrp Editorial Pediatric tuberculosis in India Tuberculosis (TB) was first called consumption (phthisis) by endemic in India, children are constantly exposed to tubercular Hippocrates because the disease caused significant wasting and antigens. Data on prevalence of environmental mycobacteria in loss of weight. India has the largest burden of TB in the world, India are also absent. Both these exposures can continue to and more than half the cases are associated with malnutrition.1,2 increased positivity to TST. Therefore, TST results in India can Stefan Prakash Eicher, born in Maharashtra, India, made this oil often be false positive. No data on these issues are available in In- painting “What Dreams Lie Within” of an emaciated patient with dia so far. TB seen on the streets of New Delhi (Image 1).3 This author conducted a study of skin test responses to a host of mycobacteria in BCG-vaccinated healthy Kuwaiti school children.5 BCG was routinely given to all children at the age of 5 yrs (school-going age). A multiple skin test survey on 1200 children aged 8e11 yrs and on 1228 children aged 12e16 yrs was conducted. All (except 15 children) had taken Japanese BCG vaccine 5 yrse9 yrs before the study was conducted. Tuberculin positivity was 90% in both the groups. This was associated with very high responsiveness to many other environmental mycobacterial antigens as well. It was proposed that such high TST positivity several years after BCG vaccination may be due to responsiveness to group II antigen pre- sent in all slow-growing species.
    [Show full text]
  • Pdf/Bookshelf NBK368467.Pdf
    BMJ 2019;365:l4159 doi: 10.1136/bmj.l4159 (Published 28 June 2019) Page 1 of 11 Practice BMJ: first published as 10.1136/bmj.l4159 on 28 June 2019. Downloaded from PRACTICE CLINICAL UPDATES Syphilis OPEN ACCESS Patrick O'Byrne associate professor, nurse practitioner 1 2, Paul MacPherson infectious disease specialist 3 1School of Nursing, University of Ottawa, Ottawa, Ontario K1H 8M5, Canada; 2Sexual Health Clinic, Ottawa Public Health, Ottawa, Ontario K1N 5P9; 3Division of Infectious Diseases, Ottawa Hospital General Campus, Ottawa, Ontario What you need to know Box 1: Symptoms of syphilis by stage of infection (see fig 1) • Incidence rates of syphilis have increased substantially around the Primary world, mostly affecting men who have sex with men and people infected • Symptoms appear 10-90 days (mean 21 days) after exposure with HIV http://www.bmj.com/ • Main symptom is a <2 cm chancre: • Have a high index of suspicion for syphilis in any sexually active patient – Progresses from a macule to papule to ulcer over 7 days with genital lesions or rashes – Painless, solitary, indurated, clean base (98% specific, 31% sensitive) • Primary syphilis classically presents as a single, painless, indurated genital ulcer (chancre), but this presentation is only 31% sensitive; – On glans, corona, labia, fourchette, or perineum lesions can be painful, multiple, and extra-genital – A third are extragenital in men who have sex with men and in women • Diagnosis is usually based on serology, using a combination of treponemal and non-treponemal tests. Syphilis remains sensitive to • Localised painless adenopathy benzathine penicillin G Secondary on 24 September 2021 by guest.
    [Show full text]
  • Latent Tuberculosis Infection
    © National HIV Curriculum PDF created September 27, 2021, 4:20 am Latent Tuberculosis Infection This is a PDF version of the following document: Module 4: Co-Occurring Conditions Lesson 1: Latent Tuberculosis Infection You can always find the most up to date version of this document at https://www.hiv.uw.edu/go/co-occurring-conditions/latent-tuberculosis/core-concept/all. Background Epidemiology of Tuberculosis in the United States Although the incidence of tuberculosis in the United States has substantially decreased since the early 1990s (Figure 1), tuberculosis continues to occur at a significant rate among certain populations, including persons from tuberculosis-endemic settings, individual in correctional facilities, persons experiencing homelessness, persons who use drugs, and individuals with HIV.[1,2] In recent years, the majority of tuberculosis cases in the United States were among the persons who were non-U.S.-born (71% in 2019), with an incidence rate approximately 16 times higher than among persons born in the United States (Figure 2).[2] Cases of tuberculosis in the United States have occurred at higher rates among persons who are Asian, Hispanic/Latino, or Black/African American (Figure 3).[1,2] In the general United States population, the prevalence of latent tuberculosis infection (LTBI) is estimated between 3.4 to 5.8%, based on the 2011 and 2012 National Health and Nutrition Examination Survey (NHANES).[3,4] Another study estimated LTBI prevalence within the United States at 3.1%, which corresponds to 8.9 million persons
    [Show full text]
  • Nonbacterial Pus-Forming Diseases of the Skin Robert Jackson,* M.D., F.R.C.P[C], Ottawa, Ont
    Nonbacterial pus-forming diseases of the skin Robert Jackson,* m.d., f.r.c.p[c], Ottawa, Ont. Summary: The formation of pus as a Things are not always what they seem Fungus result of an inflammatory response Phaedrus to a bacterial infection is well known. North American blastomycosis, so- Not so well appreciated, however, The purpose of this article is to clarify called deep mycosis, can present with a is the fact that many other nonbacterial the clinical significance of the forma¬ verrucous proliferating and papilloma- agents such as certain fungi, viruses tion of pus in various skin diseases. tous plaque in which can be seen, par- and parasites may provoke pus Usually the presence of pus in or on formation in the skin. Also heat, the skin indicates a bacterial infection. Table I.Causes of nonbacterial topical applications, systemically However, by no means is this always pus-forming skin diseases administered drugs and some injected true. From a diagnostic and therapeutic Fungus materials can do likewise. Numerous point of view it is important that physi¬ skin diseases of unknown etiology cians be aware of the nonbacterial such as pustular acne vulgaris, causes of pus-forming skin diseases. North American blastomycosis pustular psoriasis and pustular A few definitions are required. Pus dermatitis herpetiformis can have is a yellowish [green]-white, opaque, lymphangitic sporotrichosis bacteriologically sterile pustules. The somewhat viscid matter (S.O.E.D.). Pus- cervicofacial actinomycosis importance of considering nonbacterial forming diseases are those in which Intermediate causes of pus-forming conditions of pus can be seen macroscopicaily.
    [Show full text]
  • 2012 Case Definitions Infectious Disease
    Arizona Department of Health Services Case Definitions for Reportable Communicable Morbidities 2012 TABLE OF CONTENTS Definition of Terms Used in Case Classification .......................................................................................................... 6 Definition of Bi-national Case ............................................................................................................................................. 7 ------------------------------------------------------------------------------------------------------- ............................................... 7 AMEBIASIS ............................................................................................................................................................................. 8 ANTHRAX (β) ......................................................................................................................................................................... 9 ASEPTIC MENINGITIS (viral) ......................................................................................................................................... 11 BASIDIOBOLOMYCOSIS ................................................................................................................................................. 12 BOTULISM, FOODBORNE (β) ....................................................................................................................................... 13 BOTULISM, INFANT (β) ...................................................................................................................................................
    [Show full text]
  • Reportable Disease Surveillance in Virginia, 2013
    Reportable Disease Surveillance in Virginia, 2013 Marissa J. Levine, MD, MPH State Health Commissioner Report Production Team: Division of Surveillance and Investigation, Division of Disease Prevention, Division of Environmental Epidemiology, and Division of Immunization Virginia Department of Health Post Office Box 2448 Richmond, Virginia 23218 www.vdh.virginia.gov ACKNOWLEDGEMENT In addition to the employees of the work units listed below, the Office of Epidemiology would like to acknowledge the contributions of all those engaged in disease surveillance and control activities across the state throughout the year. We appreciate the commitment to public health of all epidemiology staff in local and district health departments and the Regional and Central Offices, as well as the conscientious work of nurses, environmental health specialists, infection preventionists, physicians, laboratory staff, and administrators. These persons report or manage disease surveillance data on an ongoing basis and diligently strive to control morbidity in Virginia. This report would not be possible without the efforts of all those who collect and follow up on morbidity reports. Divisions in the Virginia Department of Health Office of Epidemiology Disease Prevention Telephone: 804-864-7964 Environmental Epidemiology Telephone: 804-864-8182 Immunization Telephone: 804-864-8055 Surveillance and Investigation Telephone: 804-864-8141 TABLE OF CONTENTS INTRODUCTION Introduction ......................................................................................................................................1
    [Show full text]
  • Quantiferon®-TB Gold
    QuantiFERON®-TB Gold ERADICATING TUBERCULOSIS THROUGH PROPER DIAGNOSIS AND DISEASE PREVENTION TUBERCULOSIS Tuberculosis (TB) is caused by exposure to Mycobacterium tuberculosis (M. tuberculosis), which is spread through the air from one person to another. At least two billion people are thought to be infected with TB and it is one of the top 10 causes of death worldwide. To fight TB effectively and prevent future disease, accurate detection and treatment of Latent Tuberculosis Infection (LTBI) and Active TB disease are vital. TRANSMISSION M. tuberculosis is put into the air when an infected person coughs, speaks, sneezes, spits or sings. People within close proximity may inhale these bacteria and become infected. M. tuberculosis usually grows in the lungs, and can attack any part of the body, such as the brain, kidney and spine. SYMPTOMS People with LTBI have no symptoms. People with Other symptoms can include: TB disease show symptoms depending on the infected area of the body. TB disease in the lungs ■ Chills may cause symptoms such as: ■ Fatigue ■ Fever ■ A cough lasting 3 weeks or longer ■ Weight loss and/or loss of appetite ■ Coughing up blood or sputum ■ Night sweats ■ Chest pain SCREENING To reduce disparities related to TB, screening, prevention and control efforts should be targeted to the populations at greatest risk, including: ■ HEALTHCARE ■ INTERNATIONAL ■ PERSONS WORKERS TRAVELERS LIVING IN CORRECTIONAL ■ MILITARY ■ RESIDENTS OF FACILITIES PERSONNEL LONG-TERM CARE OR OTHER FACILITIES CONGREGATE ■ ELDERLY PEOPLE SETTINGS ■ PEOPLE WITH ■ ■ STUDENTS WEAKENED CLOSE CONTACTS IMMUNE SYSTEMS OF PERSONS KNOWN OR ■ IMMIGRANTS SUSPECTED TO HAVE ACTIVE TB BIOCHEMISTRY T-lymphocytes of individuals infected with M.
    [Show full text]
  • 3- Chlamydia, Syphilis & Gonorrhea (STD)
    3- Chlamydia, syphilis & gonorrhea (STD) Microbiology 435’s Teamwork Reproductive Block Learning Objectives: ● Know the causative agents of syphilis, gonorrhea and Chlamydia infections. ● Realize that these three infections are acquired through sexual intercourse. ● Know the pathogenesis of syphilis, gonorrhea and Chlamydia infection. ● Describe the clinical feature of the primary, secondary tertiary syphilis and complications. ● Recall the different diagnostic methods for the different stages of syphilis. ● Describe the clinical features of gonorrhea that affect only men, only women and those ones which affect both sexes. ● Describe the different laboratory tests for the diagnosis of gonorrhea ● Describe the morphology and the distinct life cycle of the Chlamydia. ● Realize what are the different genera, species and serotypes of the family Chlamydophila. ● Recognize that Chlamydia cause different diseases that affect the eye (causing trachoma) and the respiratory system (mainly cause a typical pneumonia). ● Know the different urogenital clinical syndromes caused by Chlamydia trachomatis that affect men, women and both sex. ● Realize that these urogenital syndromes are difficult to differentiate clinically from the similar ones caused by N.gonorrheae. ● Know the treatment of syphilis, gonorrhea and Chlamydia infections. ● Realize that there are no effective vaccines against all these three diseases. Important Resources: 435 females & males slides and ​ ​ ​ Males notes notes, wikipedia, ​ ​ Females notes Lippincott’s Illustrated Reviews: Microbiology- ​ ​ Extra Third Edition ​ ​ Editing file: Here ​ ​ Credit: Team members ​ Introduction (take-home message) ● Syphilis, Chlamydia and Gonorrhea are main STDs, caused by delicate organisms that cannot survive ​ ​ ​ outside the body. Infection may not be localized. ​ ​ ● Clinical presentation may be similar (urethral or genital discharge, ulcers). ● One or more organisms (Bacteria, virus, parasite) may be transmitted by sexual contact.
    [Show full text]