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Myeloid Sarcoma Involving the Gynecologic Tract
A Report of 11 Cases and Review of the Literature

Mar Garcia Garcia MD, Michael T. Deavers MD, Ronald J. Knoblock MD, Weina Chen MD, PhD, Apostolia M. Tsimberidou MD, PhD, John T. Manning Jr MD, L. Jeffrey Medeiros MD
DOI: http://dx.doi.org/10.1309/H9MM21FPT7YBL3PW 783-790 First published online: 1 May 2006

Abstract

Myeloid sarcoma can involve any anatomic site, but involvement of the gynecologic tract is uncommon. We describe 11 women, 17 to 60 years old, with myeloid sarcoma involving the gynecologic tract, including 5 patients in whom myeloid sarcoma presented as an isolated mass. The uterus was the most frequently involved anatomic site, in 8 patients (5 corpus, 3 cervix). Each neoplasm diffusely infiltrated normal structures, and, cytologically 7 tumors were immature, 3 were differentiated, and 1 was blastic. In 9 cases assessed, immunohistochemical stains showed that all neoplasms were positive for myeloperoxidase and lysozyme; CD117 was positive in 7 of 8 cases, and cytochemical staining for naphthol AS-D chloroacetate was positive in all 6 neoplasms analyzed. Following chemotherapy, complete remission and long-term survival were achieved in a subset of patients, as was particularly true for 2 patients (cases 8 and 10), with complete remission 12.5 and 31 years after diagnosis, respectively.

Key Words:
  • Myeloid sarcoma
  • Gynecologic tract
  • Immunohistochemistry