Quiz 1: Bone Tumors : Radiological Evaluation Score for Bone Tumors (REST)

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Welcome to your Quiz 1: Radiology for Bone Tumors

Characteristics of tumor

Osteolytic OR Osteosclerotic or Mixed

Content of tumor

Mineralization absent or Osteoid/Chondroid matrix

Cortical breach or involvement

Cortical erosion absent OR Cortical erosion present

Distinctiveness

Well defined OR Ill-defined

Distribution (zone of transition)

Narrow zone of transition OR Wide zone of transition

Periosteal reaction

Periosteal reaction absent or
benign-type periosteal reaction OR
Malignant type of periosteal reaction
(Codman’s triangle, onion peel, Sunray,
etc.)

Soft tissue mass

Soft tissue mass Absent OR Soft tissue mass Present

Pathological fracture

Pathological fracture absent OR Pathological fracture present

Reference : Salunke AA, Nandy K, Puj K, Kamani M, Pathak S, Shah J, Bhalerao RH, Jain A, Sharma M, Warikoo V, Patel K, Rathod P, Bhatt S, Tank T, Pandya S. A proposed “Radiological Evaluation Score for Bone Tumors” (REST): An objective system for assessment of a radiograph in patients with suspected bone tumor. Musculoskelet Surg. 2022 Dec;106(4):371-382. doi: 10.1007/s12306-021-00711-0. Epub 2021 May 12. Erratum in: Musculoskelet Surg. 2022 Dec;106(4):383. doi: 10.1007/s12306-021-00716-9. PMID: 33982208

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Bone Cancer, Understanding Cancer