Cytologic features of microcystic adnexal carcinoma

Sasis Sirikanjanapong, Andrew W. Seymour, Bijal D. Amin

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Microcystic adnexal carcinoma (MAC) is an uncommon skin neoplasm with a predilection location around the lips. It is characterized by cords and nests of neoplastic cells forming ductular or glandular structures that are embedded in dense collagenous stroma. An eighty-seven year old Caucasian female patient presented with a painless, slowly enlarging mass measuring 3.3 x 2.7 x 1.0 cm on the lower lip for approximately 6 months. The patient underwent 2 fine needle aspiration biopsies (FNAs). Smears made from both FNAs demonstrated similar features including low cellular smears, three dimensional cell clusters forming a glandular structure, round to oval cells with high N:C ratio, occasional cytoplasmic lumens, without distinct hyperchromasia, focal inconspicuous nucleoli, smooth regular nuclear membranes, abundant naked nuclei, occasional squamoid cells and focal acellular stromal fragments in the background. The cytologic differential diagnosis included skin adnexal carcinoma and low grade mucoepidermoid carcinoma arising in the minor salivary gland. The mass was subsequently excised. The diagnosis of microcystic adnexal carcinoma was made. We report cytologic features of MAC and also suggest that MAC can possibly be diagnosed by FNA with the appropriate clinical vignette and immunohistochemical profile.

Original languageEnglish (US)
Article number5
JournalCytoJournal
Volume8
DOIs
StatePublished - 2011

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Carcinoma
Lip
Mucoepidermoid Carcinoma
Minor Salivary Glands
Nuclear Envelope
Skin Neoplasms
Fine Needle Biopsy
Differential Diagnosis
Skin

Keywords

  • Dermatology
  • microcystic adnexal carcinoma
  • skin neoplasm

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Cytologic features of microcystic adnexal carcinoma. / Sirikanjanapong, Sasis; Seymour, Andrew W.; Amin, Bijal D.

In: CytoJournal, Vol. 8, 5, 2011.

Research output: Contribution to journalArticle

Sirikanjanapong, Sasis ; Seymour, Andrew W. ; Amin, Bijal D. / Cytologic features of microcystic adnexal carcinoma. In: CytoJournal. 2011 ; Vol. 8.
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