Tumors In The Shoulder

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[edit] Tumors In The Shoulder

One of the causes of shoulder pain can be a malgnant tumor or a benign tumor that is growing in the shoulder blade or the humerus bone. This can lead to a humerus fracture, which would be considered a pathological fracture to distinguish it from a trauma related fracture.
Benign bone cysts are not uncommon. Benign myxomas can also be found in the shoulder area.

Unfortunately, malignant tumors are also not uncommon. Osteosarcoma is one of the common malignant tumors and as this link shows, this presents often in a child or teenager. This type of tumor likes to grow in the arm or the lower extremity. A malignant fibrous histiocytoma that originated in the shoulder blade (=scapula) is shown here.

Other cancers can metastasize into the shoulder such as kidney cancer, breast cancer as well as prostate cancer. Not infrequently they tend to metastasize into the humerus bone and the shoulder blade. About 18% of breast cancer patients develop humerus metastases (Ref. 5). Here is an example of liver cancer having metastasized into the shoulder. More details can be found under the links below regarding these malignancies. Usually there is pain in a shoulder with a metastasis or a primary bone tumor in the humerus or scapula. X-rays, CT, MRI scans, or bone scans might suggest a tumor. However, only tissue diagnosis such as a bone biopsy under CT guidance with histopathological analysis of the material will confirm the diagnosis. An orthopedic surgeon and likely an oncologist need to be consulted to help with the proper work-up and the appropriate treatment protocol including possible bone surgery.

Link to breast cancer details.	Link to kidney cancer details.
Link to Liver cancer	Link to bone cancer

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References:

1. ABC of rheumatology, second edition, edited by Michael L. Snaith , M.D., BMJ Books, 1999.

2. The Merck Manual, 7^th edition, by M. H. Beers et al., Whitehouse Station, N.J., 1999.

3. Goldman: Cecil Textbook of Medicine, 21st ed.(©2000)W.B.Saunders

4. Ferri: Ferri's Clinical Advisor: Instant Diagnosis and Treatment, 2004 ed., Copyright © 2004 Mosby, Inc.

5. Rakel: Conn's Current Therapy 2004, 56th ed., Copyright © 2004 Elsevier

6. Wheeless' Textbook of Orthopaedics: http://www.wheelessonline.com/ Several topics can be found under this link by entering the term you search for.