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Updated: May 19, 2026

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma

Published on: April 12, 2019

Multicentric epithelioid angiosarcoma of bone.

Zhengming Yang¹, Huimin Tao, Zhaoming Ye

¹Department of Orthopedics, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.

|August 8, 2012

Summary

Multicentric bone epithelioid angiosarcoma, a rare cancer, is often misdiagnosed. Accurate immunohistochemical analysis is crucial for correct diagnosis and improved patient outcomes.

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Area of Science:

Oncology
Pathology

Background:

Bone epithelioid angiosarcoma is a rare malignancy.
It often exhibits positive immunostaining for epithelial and vascular markers.

Observation:

A case of multicentric bone epithelioid angiosarcoma was initially misdiagnosed as metastatic carcinoma.
Osteolytic lesions were observed in the bilateral heels and left humerus.

Findings:

Immunohistochemical analysis confirmed the diagnosis, showing positivity for CD31, factor VIII, vimentin, and neuron-specific enolase.
The tumor demonstrated a high degree of malignancy with rapid progression.

Implications:

Correct diagnosis through immunohistochemistry is vital to differentiate from carcinomas and lymphomas.

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Understanding clinicopathologic features can guide treatment and improve prognosis for this rare bone cancer.