Irregular Erythematous Nodule on the Upper Arm—Quiz Case

Ondo, Andrew L.; Makarewicz, Anna K.; Stepenaskie, Shelly; Cockerell, Clay J.; Mings, Steven M.; Shanler, Stuart D.

doi:10.1001/archdermatol.2010.77-a

Cited by 1 publication

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“…Nodular hidradenoma is a rare, benign adnexal tumor usually located in the head, neck, and extremities [1]. The difficulty of the diagnosis is due to the non-specificity of the clinical and histological presentation, often requiring a clinicopathological correlation [2]. Herein, we report a case of atypical abdominal hidradenoma mimicking lipoma.…”

Section: Sirmentioning

confidence: 94%

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Hidradenoma with an atypical localization mimicking lipoma

Marraha¹,

Faker²,

Chahoub³

et al. 2022

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Sir, Nodular hidradenoma is a rare, benign adnexal tumor usually located in the head, neck, and extremities [1]. The difficulty of the diagnosis is due to the non-specificity of the clinical and histological presentation, often requiring a clinicopathological correlation [2]. Herein, we report a case of atypical abdominal hidradenoma mimicking lipoma. Our patient was a 51-year-old Moroccan female operated for bowel obstruction and fibroma presenting with a slowly growing, painless, subcutaneous abdominal nodule persistent for the last two years. The nodule had gradually increased in size in a context of apyrexia and general state preservation. A clinical examination was remarkable for a subcutaneous nodule (2.5 cm long axis) at the left iliac fossa, painless, indurated, and not fixed to the deep tissues, with slightly purplish skin (Fig. 1). The rest of the examination was featureless. In addition, dermoscopy was non-specific.

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Section: Sirmentioning

confidence: 94%

“…Studies have shown that hidradenomas are mainly located in the thorax [5,6], followed by the cervicofacial and, in some cases, plantar regions [2]. Sites of other localizations include the ankles [4], palms [6], and breasts [7].…”

Section: Sirmentioning

confidence: 99%