Abstract

Extraskeletal myxoid chondrosarcoma is a rare soft tissue tumor characterized by uniform spindle cells arranged in a reticular growth pattern in abundant myxoid stoma. Although originally believed to be a variant of chondrosarcoma, the World Health organization has classified it as a tumor of uncertain differentiation due to its lack of cartilaginous differentiation. A-79-year-old-male patient was operated with the complaints of the arm mass for 6-7 years and total excision performed. Histppathological investigation of the tumor showed oval and spindle uniform cells which were created cords and pseudoacini in myxoid stroma. This rare case was presented with it’s pathological features.

Highlights

  • a rare soft tissue tumor characterized by uniform spindle cells arranged in a reticular growth pattern

  • the World Health organization has classified it as a tumor of uncertain differentiation

  • A-79-year-old-male patient was operated with the complaints of the arm mass

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Summary

Introduction

Extraskeletal myxoid chondrosarcoma is a rare soft tissue tumor characterized by uniform spindle cells arranged in a reticular growth pattern in abundant myxoid stoma. Ekstraskeletal miksoid kondrosarkom bol miksoid stroma içinde üniform iğsi hücrelerin ağsı büyümesi ile karakterize nadir görülen bir yumuşak doku tümörüdür. Her ne kadar önceleri kondrosarkomun bir varyantı olduğuna inanılsa da, dünya sağlık örgütü kıkırdak farklılaşmanın eksikliği nedeniyle bu tümörleri belirsiz farklılaşma gösteren tümörler olarak sınıflandırmıştır. Tümörün histopatolojik incelemesinde miksoid stroma içerisinde kordlar ve psödoasiner yapılar yapmış uniform oval ve iğsi hücreler görüldü.

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