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Osteosarcoma of the maxilla. Case report and ultrastructural study.

作者信息

Langford A A, Gelderblom H R, Unger M, Reichart P A

机构信息

Abteilung für Zahnärztliche Chirurgie/Oralchirurgie Nord Freie Universität Berlin, Germany.

出版信息

Int J Oral Maxillofac Surg. 1991 Aug;20(4):232-5. doi: 10.1016/s0901-5027(05)80182-1.

DOI:10.1016/s0901-5027(05)80182-1
PMID:1940501
Abstract

An osteosarcoma, occurring in the maxillary alveolar ridge of a 17-year-old girl is presented. The tumor consisted predominantly of pleomorphic, mainly osteoblast-like and anaplastic cells. At the ultrastructural level the osteoblast-like cells were characterised by excentrically situated lobed nuclei, extensively swollen, dilated and rough endoplasmic reticulum (RER), polymorphism of mitochondria and sparse Golgi-systems. The undifferentiated cells were characterized by large, electron-lucent nuclei and paucity of non-dilated RER and mitochondria. The intercellular matrix contained collagen fibers with areas of focal collections of calcification.

摘要

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