Pediatric Dermatology: Not Child’S Play
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Warning! Cute Kids Ahead! Pediatric Dermatology: Not Child’s Play Mary Ann Maurer, DO WVU School of Medicine, Charleston Campus CAMC Family Medicine Residency Are you itching to learn?! Pre-Test: What is… Common Pediatric Derm Issues • Newborn – Milia – Dermal melanocytosis – Hemangioma – Erythema toxicum neonatorum • Infants – Diaper dermatitis – Cradle cap – Viral exanthem • Roseola • Parvovirus B-19 • Measles • Varicella Just a • Children – Contact dermatitis roadmap, – Drug eruptions • Hives • Erythema multiforme don’t • SJS • TEN panic – Warts – Traction alopecia – Mycoplasma pneumonia associated mucositis • Adolescents – Acne – Tinea versicolor – Tinea corporis – Keratosis pilaris • Newborn – Milia – Dermal melanocytosis – Hemangioma – Erythema Toxicum Neonatorum Milia • Tiny white bumps • Typically on face • Small follicular plugs • Often seen 3-5 days after birth • Spontaneously resolve / self-limited http://www.dermnetnz.org/site-age- Don’t specific/neonate.html pick! Milia Dermal Melanocytosis http://newborns. stanford.edu/Ph • Benign otoGallery/Slate • Seen in pts with darker Grey1.html skin – Asian – Hispanic – Black http://www.skinsig ht.com/infant/blue – Native American - GraySpotMongolia • aka Mongolian Spot nSpot.htm • Often at sacrum • Size can vary • Typically resolve by pre- http://www.intermix.org.uk/health school /health_bluespots.asp Hemangiomas http://www.whattoexpect.c om/first-year/baby- • Vascular tumors / care/baby-skin- lesions care/hemangioma.aspx • Often has a period of growth followed by period of involution • Propranolol – Till age 12-15 mos • Laser tx or excisional • Usually much improved by age 5-10 Hemangiomas • Systematic review (2013) – n = 1264 • 74% female • 30% w other tx prior to propranolol • Mean age of intiation 6.6 mos • Mean duration of tx 6.4 mos • Mean dose 2.1 mg / kg / day • 98% response rate – *any* response to propranolol • Rebound growth in 17% • ADRs n=371 – Changes in sleep (136) – Acrocyanosis (61) – Symptomatic hypotension (6) – Hypoglycemia (4) – Symptomatic bradycardia (1) Hemangioma • Multiple cutaneous hemangiomas should cue imaging to look for hemangiomas in solid organs Nevus Flammeus • Port Wine Stain • Sturge-Weber Syndrome – V1-V2 – Seizures • Klippel-Trénaunay Syndrome http://www.childrenshosp – Vascular malformations ital.org/az/Site2944/main pageS2944P6.html – Varicosities – Unilateral hypertrophy Nevus Flammeus Nuchae • Stork bite – Around 40% of kids, though may be up to 70% – Mostly Caucasian kids – Often at neck – Can also be on eyelids and between eyes /on forehead Are you still showing baby pictures?! Srsly… Next slide, dude!! Erythema Toxicum Neonatorum http://img.webmd.com/dtmcms/live/webmd/consumer_assets/site_images/articles/ image_article_collections/mcgraw_hill_skin_atlases/childhood_skin_problems/CAPD _erythema_toxicum_neonatorum.jpg • Benign • Self-limited • Small pustules with surrounding erythema • Face, trunk, buttocks, limbs – If palmar / plantar, consider other dxs • Not seen in preterm babies • Typically within 48 hrs of age but may be delayed up to two weeks • Eosinophils http://www.skinsight.com/images/dx/webInfant/erythemaToxicumNeonatorum_17955_lg.jpg • Infants – Diaper dermatitis – Viral exanthem • Roseola • Parvovirus B-19 • Measles • Varicella Diaper Dermatitis Ouch! • Often due to contact irritant (feces / urine) • May be related to dietary changes • Fungal a possibility • Myriad tx based on etiology – Steroid vs antifungal vs both! – Consider thrush – Prevention w/ barrier cream – Wipes can be irritating – Spray Maalox on it! http://dermis.net/bilder/CD050/550px/img0040.jpg Cradle Cap • Seborrheic dermatitis • Usu in the first 3 mos • Can also see behind ears, at eyebrows • Overactive sebaceous glands http://www.cheekymaidensoap.com/_blog/Cheeky_Maiden_Blog/post/Treating_Cradle_Cap/ • Occasionally fungal • Tx with baby oil, gentle brushing to loosen • No olive / coconut oils as can worsen fungal http://upload.wikimedia.org/wikipedia/commons/5/50/Baby_With_Cradle_Cap.jpg Viral Exanthem: Roseola • HHV-6 • aka Roseola Infantum • Typical hx is fever x 72 hrs without other etiology (eg ears, teething) • When defervesce, a rash appears • Self-limited Viral Exanthem: Parvovirus-B19 http://health.allrefer.com/health/fifth-disease-fifth- disease.html • aka 5th Disease or Erythema Infectiosum • “Slapped cheek rash with lacy reticular pattern on trunk” after URI symptoms • May also have arthralgias w/ rash http://www.cixip.com/index.p • Careful—can cause SAB hp/page/content/id/939 in pregnant women Viral Exanthem--Measles • Increasing #s due to poor vaccination rates • Prodrome 2-4 days – Stepwise fever to Tm http://upload.wikimedia.o 103-105 rg/wikipedia/commons/e/ e0/Measles_enanthema.j pg – 4Cs • Rash http://www. atsu.edu/fac ulty/chambe rlain/images/ https://jdc325.files.wordpress.com/2011/04/measles_2.jpg koplik_spots 2.jpg http://bchdmi.org/uploade d_images/measles1.jpg Viral Exanthem--Varicella • Crops of lesions – Prodrome of fever, anorexia, malaise (1-2d) – Lesions in varying states simultaneously – Starts centrally then moves peripherally http://s ocialhea lthboxx. com/wp - content /upload s/2014/ 04/chic http://research.fuseink.com/artifactimg/MTMxOTc5NjQ3ODMyMjFfMg.jpg ken.jpg • Children – Contact dermatitis – Drug eruptions • Urticaria • Erythema multiforme • SJS • TEN • DRESS (bit of a stretch!) – Warts – Traction alopecia – Mycoplasma pneumonia associated mucositis Contact Dermatitis http://blog.saintsabrinas.c om/wp- content/uploads/2011/01 • Allergic or Irritant /belt-buckle-allergy.jpg • Remove the source – Or try to control it (!) • Mild topical http://eso- cdn.bestpractice.bmj.com corticosteroid may help /best- practice/images/bp/en- gb/90-3_default.jpg http://www.skinsight.com/infa nt/irritantContactDermatitis.ht m Drug Eruption: Urticaria • Look for – Wheal = edema, and – Flare = erythema • History is most helpful • NB: Of course one can have urticaria for other reasons! http://allergyasthmamichigan.com/web%20site%20contents/hives.jpg Drug Eruption: Erythema Multiforme • History is key – Penicillins – Sulfa – Anti-epileptics (eg Dilantin) • Look for well- circumscribed lesions w/ central clearing • No oral lesions! http://www.huidziekten.nl/afbeeldingen/erythema-exsudativum-multiforme-7.jpg Drug Eruption: SJS • History • Offending agent • Fever, fatigue www.rightdiagnosis.com/phil/images/4650.jpg • Skin lesions and mucous membrane involvement – Including eyes! • May require ICU admission http://www.portalesmedicos.com/imagenes/publicaciones/0803_Sindrome_Stevens_Johnson/lesiones_eritemato_papulo_bullosas.jpg http://syndromepictures.com/wp-content/uploads/2011/10/Steven-Johnson-Syndrome-rash.jpg SJS: Treatment • Removal of offending agent • Analgesia • Topical steroids – Eyes – Skin • No real role for systemic steroids • Occasionally IVIg • Also of interest – Cyclosporine – Tacrolimus – NAC – Biologics – Plasmapheresis • Tincture of time • Specialty consult Drug Eruption--TEN • Occurs in response to infection or drugs • Spectrum is EMSJSthis – TEN >30% BSA • Apoptosis of keratinocytes leads to skin sloughing – Nikolsky sign • Admission to burn unit • Mortality 30-50% http://www.skincareguide.ca/images/glossary/toxic_epidermal_necrolysis.jpg – SCORTEN Drug Eruption--DRESS • Drug Reaction with Eosinophilia and Systemic Symptoms – Delayed reaction – High fever – Morbiliform (measles) rash – Rash and lymphadenopathy – Eosinophila and lymphocytosis – Elevated LFTs – Rare renal involvement – Myocarditis / pericarditis – HHV6 activation also implicated • Offending agents – AEDs – Sulfa – Ziprasidone (Geodon) – Allopurinol – Atenolol! http://archderm.jamanetwork.com/article.aspx?articleid=1733354 Warts • Verrucae • Varied morphology • Location = anywhere! • Tx varies http://medicalpicturesinfo.com/wp-content/uploads/2011/10/Verruca-Vulgaris-3.jpg – Cryo – TCA – Curettage – Excision http://0.tqn.com/d/foothealth/1/0/-/2/-/-/DSC_3339.JPG Traction Alopecia • Tension from tight braids, ponytails, weaves / http://hairlos sgeeks.com/t raction- alopecia- extensions causes-and- treatment/ • No loss of eyebrows / body hair • Areas usually not circumferential • Can be permanent http://dermnet nz.org/common • Treatment in peds is scalp /image.php?pat h=/hair-nails- sweat/img/trac rest tion.jpg – Occ Rogaine in adults MPAM (Mycoplasma Pneumonia Associated Mucositis) • Mucosal-only – Oral – Ocular – Urogenital • If skin involved, MASJS (Mp-associated SJS) • MPAM has better prognosis • Auto-antibodies against Mp attack mucosal cells MPAM Meyer Sauteur et al. (2012). https://doi.org/10.1016/j.jtumed.2016.12.002 https://doi.org/10.1177/1203475419874444 MPAM • Treatment – Abx – Steroids – Occasionally IVIg – Early specialist involvement if ocular involvement • Adolescents – Acne – Tinea versicolor – Tinea corporis – Keratosis pilaris Acne http://www.skinfoto.com/skin-facts/acne.html • Open comedones = blackheads • Closed comedones = whiteheads • Cystic acne http://www.skinsight.com/child/acne – Oral abx Vulgaris.htm – Accutane • Must be on OCP • Topicals http://www.dermnet.com/topics/acn – Salicylic acid e/physical-findings/ – Benzoyl peroxide – Retinoids Tinea Versicolor • Aka Pityriasis Versicolor • Malassezia furfur • Fungal • Often see in summertime • Topical selsun blue / nizoral • Oral tx not http://www.health-writings.com/img/mi/tinea-versicolor-treatment/Tinea-Versicolor.jpg recommended currently Tinea Corporis • Fungal • Topical anti-fungal (eg Lamisil) • Extend tx just past borders of lesion http://medicalpictures.net/wp- content/uploads/2011/10/tinea-corporis-