Nasit JG, Dhruva G. Nodular hidradenoma of the scalp: A cytomorphological evaluation on fine needle aspiration cytology. Indian J Dermatol. Am J Dermatopathol. Jul;34(5) doi: /DAD. 0bea4d A study of histopathologic spectrum of nodular hidradenoma. Nandeesh. J Craniofac Surg. Mar;22(2) doi: /SCS.0be Benign nodular hidradenoma of the face. Sirinoglu H(1), Çelebiler Ö.

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Apocrine hidradenomas are more common, contrary to earlier belief that favored an eccrine origin. Fine ihdradenoma aspiration cytology of eccrine acrospiroma. It usually presents as a single, small skin-colored lesion, and is considered distinct from the closely related poroma.

The cells were lying in a mucoid background along with good number of cyst macrophages Figure 2. Given the relative paucity of published data with only just over 50 case reports and jidradenoma case series, there is little information nodularr on the natural history and appropriate management for this disease.

Basaloid follicular hamartoma Folliculosebaceous cystic hamartoma Folliculosebaceous-apocrine hamartoma. How to cite this article: February 24, Accepted Date: Case report and review of literature. Malignant nodular hidradenoma on the scalp: A Rare Cytological Diagnosis.


Only hidradenima case showed poroid differentiation. J Cytol Histol ;2: The authors would like to thank Prof. On examination the swelling was fixed to skin, cystic on palpation and mildly tender Figure 1.


The usual age of presentation is years showing female predominance. Scalpface and extremities are common locations. Most of the cases were solitary, circumscribed, solid and cystic, dermal, symmetrical, lobulated tumors with a sheet-like and papillary architecture.

As a consequence, there is a great likelihood of being mistaken for other primary and metastatic tumors. None, Conflict of Interest: Mohs micrographic surgery, sentinel lymph node mapping, and estrogen receptor analysis for the treatment of malignant nodular hidradenoma. A biphasic cytologic staining pattern is observed in pap satin which varies from eosinophilic, clear cells admist pleomorphic polygonal tumor cells without tubular lumina may lead to misdiagnosis as carcinoma.

Melanocytes, however, are present in sweat duct anlagen of the week-old embryo [ 5 ].

The lesion was a 3×2. Based on above features, a diagnosis of pigmented nodular nodulaf was made. Published by Wolters Kluwer – Medknow. The common cytologic differential diagnosis includes clear cell tumors of skin, glomus tumor and sebaceous cyst.

Novenber 29, Accepted Date: Nodular hidradenoma also called eccrine acrospiroma is a common benign adnexal neoplasm usually found on the scalp, face, or anterior trunk [ 4 ]. A brief review and future directions. A clinical impression of sebaceous cyst was given. This study will highlight the importance of appropriate wide excision of primary adnexal tumors and thereby preventing metastatic presentations in future.


Hidradenoma Micrograph showing an acrospiroma.

Pathology Outlines – Hidradenoma / eccrine acrospiroma

This article has been cited by 1 Hidradenocarcinoma presenting as soft tissue mass: Pigmentation in sweat gland tumors due to active melanocytes has been rarely reported [ 123 ] and is the basis of modular report. Discussion of sweat gland tumors hidrafenoma be difficult and confusing due to the complex classification and redundant terminology used to describe the same tumors.

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The epidermis was partially ulcerated and the dermis showed well-circumscribed, multilobulated, sheets of epithelial cells surrounded by dense bundles of collagen extending into subcutaneous tissue. It mostly occurs in middle age. Squamous differentiation was an important feature, with most showing a infundibular type of keratinization. A 32 year old female noticed an asymptomatic, enlarging dark nodule on the medial hidrxdenoma of her left arm 3 months before her initial visit.

Indian J Dermatol Venereol Leprol ; Fine-needle aspiration of nodular hidradenoma: Devanand B, Vadiraj P. Indian J Pathol Microbiol ;