• 4] Intraepidermal Eccrine Adenocarcinoma (IEA) is classified with several other lesions that share similar pathological form, including: eccrine acrospiroma, eccrine porocarcinoma, malignant eccrine poroma and malignant hidroacanthoma simplex, among others. (faoj.org)
  • Hidradenomas are often sub-classified based on subtle histologic differences, for example: Eccrine acrospiroma Clear-cell hidradenoma or acrospiroma Nodular hidradenoma or acrospiroma Solid-cystic hidradenoma Discussion of sweat gland tumors can be difficult and confusing due to the complex classification and redundant terminology used to describe the same tumors. (wikipedia.org)
  • Gross pathology of a cystic nodular hidradenoma Dermal duct tumor Acrospiroma, solid type Acrospiroma, clear cell type Wikimedia Commons has media related to Hidradenoma. (wikipedia.org)
  • Poromas are often grouped within the greater classification of acrospiroma, which includes dermal duct tumors, hidroacanthoma simplex, and nodular, clear-cell, and poroid hidradenomas. (clinicaladvisor.com)
  • Spiroma List of cutaneous conditions List of cutaneous neoplasms associated with systemic syndromes Laws RA, English JC, Elston DM (November 1996). (wikipedia.org)
  • Acrospiroma is a cutaneous ailment that appears mainly in women and is a kind of benign adnexal neoplasm linked to poromo, a benign skin tumor. (wordinfo.info)
  • Poroma is a benign adnexal neoplasm of the intraepidermal portion of the sweat gland duct, called the acrosyringium . (clinicaladvisor.com)
  • For example, acrospiroma and hidradenoma are synonymous, and sometimes the term acrospiroma is used to generally describe benign sweat gland tumors. (wikipedia.org)
  • There has also been a change in understanding about how tumors that were previously believed to strictly derive from specific sweat gland types may, in fact, derive from both eccrine or apocrine glands. (wikipedia.org)
  • Intraepidermal Eccrine Adenocarcinomas (IEA) are rare malignant tumors derived from the eccrine sweat glands of the skin. (faoj.org)
  • were the first to describe tumors exhibiting features of the epidermal sweat duct. (faoj.org)
  • A benign form of IEA is eccrine acrospiroma, which can transform to a malignant form, especially in inveterate lesions. (faoj.org)
  • Digital papillary adenocarcinoma (DPA) is a rare sweat gland neoplasm that has exceptionally been reported outside acral locations. (bvsalud.org)
  • Ameloblastoma is a benign epithelial odontogenic neoplasm which is common amongst the Yoruba ethinc group. (bvsalud.org)
  • Nodular hidradenoma also called eccrine acrospiroma is a common benign adnexal neoplasm usually found on the scalp, face, or anterior trunk [ 4 ]. (cdlib.org)
  • A benign adnexal neoplasm derived from cells of the terminal duct of eccrine or apocrine SWEAT GLAND lineage. (nih.gov)
  • Benign adnexal neoplasm whose glandular secretion includes the release of part of the secreting cell. (nih.gov)
  • Spiroma List of cutaneous conditions List of cutaneous neoplasms associated with systemic syndromes Laws RA, English JC, Elston DM (November 1996). (wikipedia.org)
  • Uncommon cutaneous neoplasms. (nih.gov)
  • Uncommon cutaneous neoplasms of the head and neck. (nih.gov)
  • 4. Sebaceous differentiation in poroid neoplasms: report of 11 cases, including a case of metaplastic carcinoma associated with apocrine poroma (sarcomatoid apocrine porocarcinoma). (nih.gov)
  • 7. Intraepidermal benign sebaceous neoplasm: apocrine poroma (hidroacanthoma simplex type) with extensive sebaceous differentiation with sebaceoma-like features. (nih.gov)
  • Code Preferred Term Synonyms Definition Neoplastic Status C7419 Acanthoma A benign skin neoplasm composed of epithelial cells. (nih.gov)
  • Whether the persistence of these melanocytes in the sweat gland acrosyringium after fetal life and/or the possible secretion of melanocyte growth factor from the tumor cells are responsible for the tumor-incorporated melanocytes, remains to be determined. (cdlib.org)
  • [ 1 ] Apocrine and eccrine gland origin have been suggested: some cases involve decapitation secretion that is classically observed with apocrine origin, whereas other cases exhibit ultrastructural features suggestive of eccrine differentiation. (medscape.com)
  • Melanocytes, however, are present in sweat duct anlagen of the 14-week-old embryo [ 5 ]. (cdlib.org)
  • The formation of the intradermal portion of the eccrine sweat duct and of the secretory segment during the first half of the embryonic life. (cdlib.org)
  • In conclusion, our case is another rare example of pigmented eccrine neoplasm that should be kept in the differential diagnosis of pigmented skin lesions. (cdlib.org)
  • They typically manifest as solitary papules and occur only in the skin but unlike in ACROSPIROMA involves the epidermis. (nih.gov)
  • 19. Eccrine acrospiroma of the eyelid with oncocytic, apocrine and sebaceous differentiation. (nih.gov)
  • Electron microscopic studies reveal giant mitochondria, a finding not present in any other type of pituitary gland adenomas. (nih.gov)