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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A study of histopathologic spectrum of nodular hidradenoma.

A solitary skin colored nodular swelling measuring 3. J Cutan Pathol ; In conclusion, our case is another rare example of pigmented eccrine neoplasm that should be kept in the differential diagnosis of pigmented skin lesions. Novenber 29, Accepted Date: This Epidermal nevi, neoplasms, cysts article is a stub.

Online since 15 th March ‘ Sebaceous cyst show predominance of anucleated squames in a dirty background. Journal of the American Academy of Dermatology.

Sitemap What’s New Feedback Disclaimer. Cytohistological correlation readily allows differentiation of this unusual neoplasm from other benign and malignant mimics of skin tumours.


Cytosmears showed fairly cohesive groups of uniform, oval to polygonal cells some of which showed cytoplasmic clearing. Nodular hidradenoma also called eccrine acrospiroma is a common benign adnexal neoplasm usually found on the scalp, face, or anterior trunk [ 4 ].


A clinical diagnosis of nodular malignant melanoma was made. Infobox medical condition All articles with unsourced statements Articles with unsourced statements from March All stub articles.

Cytosmears showed cohesive groups of oval to polygonal cells lying in a mucoid background star along with good number of cyst macrophages. Tumours of the Skin Appendages: Nodular hidradenoma of the scalp: The clinical appearance can be mistaken for melanoma. Pigmentation in sweat gland tumors due to active melanocytes has been rarely reported [ 123 ] and is the basis of this report.

FNAC diagnosis helps in accurate surgical management, thus preventing the chance of recurrence or malignancy.

Benign nodular hidradenoma of the face.

FNAC was done which yielded a mucoid like material. It usually presents as a single, small skin-colored lesion, and is considered distinct from the closely related poroma. This page was last edited on 1 Marchat In addition, a single lesion may contain a mixture of cell-types. Nodular hidradenocarcinoma on the scalp of a young woman: Hidradenoma Micrograph showing an acrospiroma.

Nodular Hidradenoma: A Rare Cytological Diagnosis | OMICS International

An occasional case report describes increased urinary excretion of 5-S-cysteinl dopa in a case of pigmented eccrine poroma of scalp [ 6 hivradenoma. Arch Pathol Lab Med ; Case report of an “orphan disease” and review of the literature. Clin Cancer Investig J ;4: Immunohistochemical stains S and HMB 45 in the melanocytes were also positive. JB participated in clinical study, data acquisition and manuscript review.


Cylindroma Dermal cylindroma Syringocystadenoma papilliferum Papillary hidradenoma Hidrocystoma Apocrine gland carcinoma Apocrine nevus. The cells were lying in a mucoid background along with good number of cyst macrophages.

Prognosis of this adnexal tumor is excellent with rare recurrence [ 7 ]. Fine-needle aspiration of nodular hidradenoma: Numerous pigment-containing dendritic melanocytes were present among these epithelial cells Fig. Views Read Edit View history.

Few lesions such as basal cell epithelioma, seborrheic keratosis, pseudoepitheliomatous hyperplasia, and even squamous cell carcinoma may show pigmentation from accompanying melanocytes [ 2 ]. The cells were arranged in lobules and ducts some of which contained eosinophilic secretion Inset, arrow H and E, x The presence of melanocytes in sweat gland tumors is extremely rare because normal sweat glands lack melanocytes and melanin pigment.

Cytologic features of hidradenoma in fine needle aspiration biopsies. Sebaceous differentiation is also common.