Undifferentiated leiomyosarcoma showing various sarcomatous components with incidental B-cell lymphoma after tumor recurrence

Masahiko Kanamori, Kazuo Ohmori, Shigeharu Nogami, Yoshinobu Maeda

Research output: Contribution to journalArticle

Abstract

We report a rare case of undifferentiated leiomyosarcoma (LMS) with incidental B-cell lymphoma in a 70-year-old woman. T2-weighted magnetic resonance images revealed a high signal intensity mass measuring 9 × 8cm in the gluteus muscle. The pathological diagnosis of repeated surgery was undifferentiated LMS that included various sarcomatous components, such as fibrosarcomatous, rhabdomyosarcomatous, and malignant fibrous histiocytomalike elements. A specimen from a supraclavicular lymph node showed the characteristics of malignant B-cell lymphoma (follicle type). Adjuvant chemotherapy or radiation therapy was not performed because of the patient's advanced age. The patient died from liver metastasis and dysfunction 5 years 8 months after the initial therapy. This is a rare case of LMS with malignant lymphoma. Considerable debate remains whether the B-cell lymphoma developed incidentally.

Original languageEnglish
Pages (from-to)698-702
Number of pages5
JournalJournal of Orthopaedic Science
Volume7
Issue number6
DOIs
Publication statusPublished - Jan 1 2002
Externally publishedYes

Keywords

  • Leiomyosarcoma
  • Malignant lymphoma
  • Secondary primary tumor

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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