Adenomyofibroma of the endometrium with skeletal muscle differentiation

Prasanna Sinkre, David S. Miller, Sara Milchgrub, Arif Hameed

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

A case of adenomyofibroma with skeletal muscle differentiation is described. A 55-year-old asymptomatic woman had atypical glandular cells of undetermined significance on a routine Papanicolaou smear. The endometrial biopsy revealed fragments composed of benign endometrial glands and myofibromatous stroma with foci of skeletal muscle differentiation. The stroma exhibited focal mild cytologic atypia and hypercellularity without periglandular cuffing or mitoses. Electron microscopy and immunohistochemical staining for myoglobin confirmed the skeletal muscle differentiation. A diagnosis of low-grade adenosarcoma with heterologous differentiation was made in the biopsy specimen based on the atypical stroma, the skeletal muscle differentiation, and previous observations that adenosarcomas may contain bland areas indistinguishable from an adenofibroma. The patient underwent hysterectomy, bilateral salpingo-oophorectomy, and pelvic lymphadenectomy. The hysterectomy specimen revealed small foci of residual tumor. In light of these findings the diagnosis was revised to adenomyofibroma with skeletal muscle differentiation. Uterine adenomyofibroma with skeletal muscle differentiation should be distinguished from a low-grade adenosarcoma in an endometrial biopsy.

Original languageEnglish (US)
Pages (from-to)280-283
Number of pages4
JournalInternational Journal of Gynecological Pathology
Volume19
Issue number3
StatePublished - Jul 2000

Fingerprint

Endometrium
Skeletal Muscle
Adenosarcoma
Hysterectomy
Biopsy
Adenofibroma
Papanicolaou Test
Myoglobin
Residual Neoplasm
Ovariectomy
Lymph Node Excision
Mitosis
Electron Microscopy
Staining and Labeling

Keywords

  • Adenomyofibroma
  • Skeletal muscle differentiation
  • Uterus

ASJC Scopus subject areas

  • Pathology and Forensic Medicine
  • Obstetrics and Gynecology

Cite this

Adenomyofibroma of the endometrium with skeletal muscle differentiation. / Sinkre, Prasanna; Miller, David S.; Milchgrub, Sara; Hameed, Arif.

In: International Journal of Gynecological Pathology, Vol. 19, No. 3, 07.2000, p. 280-283.

Research output: Contribution to journalArticle

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