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Juxta-articular chondroma Kaposi's Sarcoma Large cell lymphoma, Leimyosarcoma, Leiomyosarcoma, Letterer-Siwe disease, Leukemia, Low-grade intramedullary osteogenic sarcoma, Lumbosacral lipoma, Lymphangioma, Lymphangiomatosis, Lymphoma, Lymphoma pseudotumor (Actual: radiation osteitis), Lymphoma pseudotumor (Actual: stress fracture), Lymphoma with secondary osteogenic sarcoma Maffucci's Syndrome, Maligant fibrous histiocytoma pseudotumor (Actual: Hematoma), Malignant fibrous histiocytoma (MFH).
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Pathology Outline

Welcome to the Tumor Library

This site is an Orthopaedic Oncology Atlas compiled from the personal medical library of Dr. James Johnston, an orthopaedic surgeon for over 40 years. Nearly 5000 slides including radiology/MRI imagery, operative photographs and histology have been converted to images and are presented along with a description of the case diagnosis and treatment. (see Biography)

How to use this site
To aid your research, you can find the cases and images in three different ways;

  1. Use the category classifications (eg. bone tumors) if you wish to view cases grouped by tumor type.
  2. To view cases for a particular demographic, location or image, use the links under Diagnosis, the A-Z link is useful to view a list of all the diagnoses
  3. A search box is provided in the upper right of this page to find a case by keywords
  4. Important, please read
    Warning: This site contains graphic surgical images that may be disturbing to some people.

James O. Johnston, M.D.
» Biography

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