PAMJ - Images Quiz
Images in Clinical Medicine Quiz allows clinicians, interns, medical students alike to test their clinical knowledge using articles published in the PAMJ. The PAMJ Image Quiz is distributed under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0).

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Quiz
A 71-year old female patient with no particular past medical history, presenting with ankle pain evolving for two years. CT scan of the foot showed lytic lesion and associated fracture of the astragalus as well as a loss of substance inside the bone. Excisional biopsy was performed. Macroscopically this was a haemorrhagic friable material. Histologically, this was a benign vascular proliferation, consisting of vascular cavities, more or less filled with red blood cells and coated by a layer of flattened endothelial cells. There was no cytonuclear atypia or abnormal mitotic activity at the level of the endothelial cells. Immunohistochemically, these cells expressed the CD34. What is your diagnosis?

Bone hemangioma
Osteosarcoma
Osteoma
Chondrosarcoma

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The PAMJ Clinical Quiz was comes from manuscripts submitted in PAMJ journals mostly in the category Images in Clinical Medicine, or Case Reports. Quiz questions are developed by PAMJ Clinical Editors and provide an opportunity to health professional, clinicians, medical students to test their clinical skills. The PAMJ Image Quiz is distributed under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0). If you use or ever used the PAMJ for training purposes, we will be happy to hear from you at editor@panafrican-med-journal.com.

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Articles published in PAMJ are Open Access and distributed under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0).


The Pan African Medical Journal (ISSN: 1937-8688) is a subsidiary of the Pan African Medical Journal. The contents of this journal is intended exclusively for professionals in the medical, paramedical and public health and other health sectors.

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