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Diffuse Dermal Angiomatosis CASE REPORT Diffuse Dermal Angiomatosis Khasha Touloei, DO; Emily Tongdee, MD; Brittany Smirnov, DO; Carlos Nousari, MD Three biopsies were performed, which revealed a PRACTICE POINTS collection of slightly dilated blood vessels with normal- • Diffuse dermal angiomatosis is commonly reported in appearing endothelial cells occupying the mid dermis and patients with hypoxic comorbidities such as smoking deep dermis (Figure 2). Immunohistochemical stains with or vascular disease as well as in women with large antibodies were directed against human herpesvirus 8 pendulous breasts. (HHV-8), CD31, CD34, the cell surface glycoprotein • Effective treatments include control of comorbidities, podoplanin, Ki-67, and smooth muscle actin antigens, revascularization, withdrawal of the offending agent, with appropriate controls. The vessel walls were positive steroids, and isotretinoin. for CD31, CD34, and smooth muscle actin, and negative for HHV-8 and podoplanin; Ki-67 was not increased. These histologic copyfindings were consistent with a diagnosis of DDA. A detailed history was taken. The cause of DDA Diffuse dermal angiomatosis (DDA) is a benign and rare acquired, cuta- neous, reactive, vascular disorder. We report a rare case of a 43-year- in our patient was uncertain. old man who presented with a large (15-cm diameter), indurated, hyperpigmented plaque covering the left buttock for 6 years. This report further discusses DDA with a review of the literature, including not its classification, epidemiology, pathophysiology, etiology, histopathol- ogy, differential diagnosis, and current therapeutic approaches. Cutis. 2019;103:181-184.Do iffuse dermal angiomatosis (DDA) is a rare acquired, cutaneous, reactive, vascular disorder that was Doriginally thought to be a variant of cutaneous reactive angiomatosis (CREA) but is now considered to be A on the spectrum of CREA. This article will focus on DDA and review the literature of prior case reports with brief descriptions of the differentialCUTIS diagnosis. Case Report A 43-year-old Haitian man presented to the clinic with a lesion on the left buttock that had developed over the last 6 years. The patient stated the lesion had been enlarging over the last several months. Upon examination, there was a large (15-cm diameter), indurated, hyperpigmented plaque cover- ing the left buttock (Figure 1). The patient reported no medi- B cal or contributory family history. Upon review of systems, FIGURE 1. A 15-cm, indurated, hyperpigmented plaque covering the he described a burning sensation sometimes in the area of left buttock. A, Posterior view. B, Lateral view. the lesion that would develop randomly throughout the year. Drs. Touloei, Smirnov, and Nousari are from Broward Health Medical Center, Fort Lauderdale, Florida. Dr. Tongdee was from the Florida International University Herbert Wertheim College of Medicine, Miami, and currently is from the Department of Dermatology, Mount Sinai Medical Center, New York, New York, and Department of Dermatology, SUNY Downstate Medical Center, Brooklyn, New York. The authors report no conflict of interest. Correspondence: Emily Tongdee, MD ([email protected]). WWW.MDEDGE.COM/DERMATOLOGY VOL. 103 NO. 3 I MARCH 2019 181 Copyright Cutis 2019. No part of this publication may be reproduced, stored, or transmitted without the prior written permission of the Publisher. DIFFUSE DERMAL ANGIOMATOSIS A B C FIGURE 2. A, Biopsy of the patient’s left buttock showed a diffuse interstitial proliferation of vascular structures and dilated lumen in the papillary and reticular dermis (H&E, original magnification ×4). B and C, Higher magnification showed well-differentiated endothelial cells forming small vascular structures with intraluminal erythrocytes (H&E, original magnifications ×20 and ×40). Comment Complete resolution of skin lesions following revascular- Classification and Epidemiology—Diffuse dermal angiomato- ization provides support for this theory.8 sis is a rare acquired, cutaneous, reactive, vascular disorder Etiology—Diffuse dermal angiomatosis is a rare com- first described by Krell et al1 in 1994. Diffuse dermal angio- plication of ischemia that may be secondary to ath- matosis is benign and is classified in the group of cutaneous erosclerosis, arteriovenous fistula, or macromastia.9-11 reactive angiomatoses,2 which are benign vascular disorders In DDA of the breasts, ulcerations of fatty tissue occur marked by intravascular and extravascular hyperplasia of due to trauma copyin these patients who have large pen- endothelial cells that may or may not include pericytes.2 dulous breasts, causing angiogenesis resembling DDA Diffuse dermal angiomatosis was originally described as a variant of CREA, which is characterized by hyperplasia of endothelial dermal cells and intravascular proliferation.3 However, DDA has more recently been identified as a Summarynot of Published Case Reports of distinct disorder on the spectrum of CREA rather than as Diffuse Dermal Angiomatosis1,3-32 a variant of CREA.2 Given the recent reclassification, not all physicians make this distinction. However, as more case Parameter Review of Literature reports of DDA are published, physicians continue to Dosup- port this change.4 Nevertheless, DDA has been an estab- Total no. of patients 73 lished disorder since 1994.1 Average age, y 49.5 Vascular proliferation in DDA is hypothesized to Race, n 5 stem from ischemia or inflammation. Peripheral vas- White 6 cular atherosclerosis has been associated with DDA.6 Black 3 The epidemiology of DDA is not well known because of the rarity of the disease. We performed a more specific Asian 1 review of the literature by limitingCUTIS the PubMed search Not listed 63 of articles indexed for MEDLINE to the term diffuse Sex dermal angiomatosis rather than a broader search includ- Male 16 ing all reactive angioendotheliomatoses. Only 31 case Female 52 reports have been published1,3-32; of them, only adults were affected. Most reported cases were in middle-aged Not listed 5 females. A summary of the demographics of DDA is Locations,a n 1,3-32 provided in the Table. Breasts (large, pendulous) 38 Pathophysiology—The pathophysiology of DDA Thighs 7 remains unclear. It has been hypothesized that ischemia or inflammation creates local hypoxia, leading to an Abdomen 6 increase in vascular endothelial growth factor with sub- Arms 6 5 sequent endothelial proliferation and neovascularization. Legs 5 Rongioletti and Robora2 supported this hypothesis, pro- Buttocks 2 posing that occlusion or inflammation of the vasculature creates microthrombi and thus hypoxia. Afterward, his- Trunk 1 tiocytes are recruited to reabsorb the microthrombi while CONTINUED ON NEXT PAGE hyperplasia of endothelial cells and pericytes ensues.7 182 I CUTIS® WWW.MDEDGE.COM/DERMATOLOGY Copyright Cutis 2019. No part of this publication may be reproduced, stored, or transmitted without the prior written permission of the Publisher. DIFFUSE DERMAL ANGIOMATOSIS disease, hypertension, diabetes mellitus, and most often TABLE. (CONTINUED) severe peripheral vascular disease. Many patients also have a history of smoking.14 Diffuse dermal angiomatosis Parameter Review of Literature rarely presents without underlying comorbidity, with only Medical history, n 1 case report of unknown cause (Table). Smoker 42 Presentation, Histopathology, and Differential Diagnosis—Cutaneous reactive angiomatosis disorders Overweight 24 present the same clinically, with multiple erythematous b Vascular disease 17 to violaceous purpuric patches and plaques that can PVD 7 progress to necrosis and ulceration. Lesions are widely Hyperlipidemia 3 distributed but are predisposed to the upper and lower 2 CVD 2 extremities. The differential diagnosis of DDA includes CREA, acroangiodermatitis (pseudo–Kaposi sarcoma), or Cutis marmorata 1 telangiectatica congenita vascular malignancies such as Kaposi sarcoma and low- grade angiosarcoma.7 Wegener granulomatosis 1 In DDA, lesions may be painful and sometimes have a Hypertension 15 central ulceration.15 They often are associated with nota- ESRD/CKD 5 ble peripheral vascular atherosclerotic disease and are 12,16 Fistula 5 mainly found on the lower extremities. Histologically, Calciphylaxis 4 DDA presents as a diffuse proliferation of endothelial cells between collagen bundles. The endothelial cells are Diabetes mellitus 4 distributed throughout the papillary and reticular dermis Monoclonal gammopathy 4 and develop intocopy vascular lumina.17 Furthermore, the pro- Atrial fibrillation 2 liferating endothelial cells are spindle shaped and contain 14 Anticardiolipin antibodies 1 vacuolated cytoplasm. Acroangiodermatitis, or pseudo–Kaposi sarcoma, Recent administration of IV 1 trabectedin for the treatment presentsnot as slow-growing, erythematous to violaceous, of myxoid liposarcoma brown, or dusky macules, papules, or plaques of the legs.14 Histologically, acroangiodermatitis presents with Thrombosis 1 relatively less proliferation of endothelial cells found Unknown 1 intravascularly rather than extravascularly, as in DDA, Treatment efficacy Doforming new thick-walled vessels in a lobular pattern in 14 Control of comorbidities Effective the papillary dermis. Vascular malignancies, such as Kaposi sarcoma and Revascularization Effective angiosarcoma, may present similarly to DDA. Kaposi Withdrawal of Effective sarcoma, for example, presents as erythematous to vio- offending agent laceous patches, plaques, or nodules found mostly on Isotretinoin Mostly effective the extremities.7 Histologically,
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