Eccrine hidradenoma is a rare benign cutaneous neoplasm, believed to arise from the distal excretory duct of the eccrine sweat glands [1]. Because a. Hidradenoma refers to a benign adnexal tumor of the apical sweat gland. Another name for tumors that were previously believed to strictly derive from specific sweat gland types may, in fact, derive from both eccrine or apocrine glands. Hidradenoma is a cutaneous, often benign tumour of the sweat glands. Also known by various other names such as nodular hidradenoma, eccrine acrospiroma.

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There have been reported cases of Nodular Hidradenoma arising from various parts of the body, such as eyelids, vulva, palmar aspect of the hand, ulcerated lesion on the face and axillary tail of the breast.

Open in a separate window. Poromas usually have a reddish colour due to prominent underlying blood vessels and may resemble pyogenic granuloma.

Hidradenoma: A Skin Adnexal Tumour, Case Report and Literature Review

It revealed a soft tissue tumour arising from the anterior abdominal wall with both solid and cystic components. Am J Surg Pathol. Hidradenoma may be solid or produce a watery discharge. Poromas are a group of benign growths of poroid differentiation, i. It must be differentiated from dermatofibrosarcoma protuberens as management and prognosis differs greatly.

A 41 year old man presented with history of a painless swelling over the lower right anterior abdominal wall of 8 years duration. Journal of Clinical Pathology. Because sweat gland naevi are harmless, usually no treatment is required, but some patients may prefer to have them removed surgically.


Related articles Cutaneous adnexal tumor malignant nodular hidradenoma scalp tumor skull hdiradenoma. Self-skin examination New smartphone apps to check your skin Learn more Sponsored content. Clinically, the swelling appears to be dermatofibrosarcoma protuberens.

It appears as a solitary nodule lump hirradenoma cyst when it is called cystic hidradenoma and may appear on any site. In this case report, we describe a 41 year old male who presented with a swelling on the anterior abdominal wall, the excision biopsy of which turned out to be benign nodular hidradenoma. Eccrine naevi produce either a mucinous discharge or a localized area of excessive sweating hyperhidrosiswhich can occur spontaneously or following provoking factors such as heat or stress.

Malignant nodular hidradenoma of the eyelid: Differentiation between pleomorphic adenoma and eccrine hidradenoma is not easy. This article has been cited by other articles in PMC.

A giant benign clear cell hidradenoma on the anterior trunk. The patient hidradenom to be closely observed for any evidence of regrowth from the remaining tumor mass. Histochemistry shows positive carcinoembryonic antigen CEA immunostaining.

Malignant transformation has been described and there is a report of metastasis in the skeleton from a lesion in the foot [ 3 – 5 ]. Ultrasonography USG abdomen and pelvis was done to evaluate the presence of any intra-abdominal hidradennoma, but was unremarkable.

Sweat gland lesions originate eccine sweat gland or sweat duct cell lines. Cylindroma Dermal cylindroma Syringocystadenoma papilliferum Papillary hidradenoma Hidrocystoma Apocrine gland carcinoma Apocrine nevus.

Malignant nodular hidradenoma on the scalp: Neoplasms of the nailbed. Micrograph showing an acrospiroma. Report of a case with fine needle aspiration cytology features and histologic correlation.


On HPE, the grossing showed hidradenomma covered soft tissue mass measuring 7. Sweat rate differs depending on site on the body, the degree of thermal or physical stress, and between individuals. The tumor had slowly grown again over the last couple of years.

Sweat gland lesions

Nonetheless, a small amount of tumor near the foramen ovale remained. Malignant nodular hidradenoma MNH is a rare tumor of sweat gland known by many names in the literature. They can be of either eccrine or apocrine lineage.

J Am Acad Dermatol. Malignant nodular hidradenoma of scalp. Atypical hidradenomas have frequent mitoses or nuclear atypia but lack clear evidence of asymmetric invasive growth. J Eccrinr Acad Dermatol Venereol ; December 21, Published: The incision site was closed primarily. This Epidermal nevi, neoplasms, cysts article is a stub. When multiple, they are sometimes described as poromatosis. J Neurosci Rural Pract ;5: Hidroacanthoma can also be of apocrine or eccrine origin.

Most of them were large and round cells with a clear cytoplasm, owing to glycogen content.

Giant Eccrine Hidradenoma Mimicking a Malignant Tumor of the Salivary Gland

The management includes wide local excision with adequate margins to prevent recurrence. It usually presents as a single, small skin-colored lesion, and is considered distinct from the closely related poroma.

Uidradenoma is commonly seen in adults. Clearcell hidradenoma; report of three cases with widespread metastases. Find articles by Euna Hwang. In other projects Wikimedia Commons. Hidradenoma is a cutaneous, often benign tumour of the sweat glands.

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