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Cancer Therapies

Cancer Therapies

Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
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Updated: Jun 19, 2026

Establishment of Cancer Stem Cell Cultures from Human Conventional Osteosarcoma

Establishment of Cancer Stem Cell Cultures from Human Conventional Osteosarcoma

Published on: October 14, 2016

Small cell osteosarcoma: a case report.

R Kallel¹, L Ayadi, N Toumi

¹Pathology Department, H. Bourguiba Hospital, Sfax, Tunisia. rim.kallel@yahoo.fr

|November 6, 2009

Summary

This summary is machine-generated.

Small cell osteosarcoma (SCO) is a rare, high-grade bone malignancy. Distinguishing SCO from Ewing's sarcoma is crucial for effective treatment protocols.

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Establishment of Cancer Stem Cell Cultures from Human Conventional Osteosarcoma

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Published on: October 14, 2016

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Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma

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Published on: April 12, 2019

Area of Science:

Oncology
Pathology
Orthopedic Surgery

Background:

Small cell osteosarcoma (SCO) is a rare bone tumor, comprising 1.3% of all osteosarcomas.
SCO typically arises in the metaphysis of long bones and can extend into the epiphysis.
Histopathologically, SCO features small round cells with variable osteoid production.

Observation:

A 14-year-old female presented with a 6-month history of a painful left knee mass and motor deficit.
Imaging revealed a destructive epiphyseal and metaphyseal lesion in the distal femur.
Biopsy showed small round cells mimicking Ewing's sarcoma, with focal osteoid, leading to an SCO diagnosis.

Findings:

The patient underwent chemotherapy and wide-margin surgical resection.
Post-operative histology confirmed viable tumor with focal necrosis.
Adjuvant chemotherapy resulted in a favorable clinical response.

Implications:

Accurate differentiation of SCO from other small round cell tumors, especially Ewing's sarcoma, is critical.
Optimizing treatment protocols for SCO requires precise histopathological diagnosis.
This case highlights the clinical, radiologic, and pathologic features of epiphyseal SCO.