Document Detail

Juxta-articular myxoma: a clinical and pathologic study of 65 cases.
MedLine Citation:
PMID:  1592386     Owner:  NLM     Status:  MEDLINE    
We describe 65 cases of juxta-articular myxoma (JAM) that occurred in the vicinity of large joints, possessed histologic features of a myxoma, and were frequently associated with cystic changes that resembled a ganglion cyst. The vast majority of cases (57, 88%) occurred in the region of the knee; a minority involved the shoulder (three cases), elbow (three), ankle (one), and hip (one) regions. Patients' ages ranged from 16 to 83 years (median, 43 years; mean, 44 years) and nearly three fourths of the patients (72%) were male. Thirty-seven lesions presented as a swelling or mass, 21 were associated with pain or tenderness, and sizes ranged from 0.6 to 12 cm (median, 3.5 cm; mean, 3.8 cm). Duration of symptoms was highly variable, spanning from 1 week to 18 years. Fourteen JAMs were intimately associated with the meniscus and five of these had a concomitant tear; in five other cases JAM was an incidental finding at the time of total knee or hip arthroplasty for severe osteoarthritis. Of 29 cases with follow-up, 10 (34%) recurred: five recurred once, two recurred twice, two recurred three times, and one recurred four times. While the majority of JAMs were correctly diagnosed as benign, a sarcoma was seriously considered or diagnosed in 15 (23%) cases.
J M Meis; F M Enzinger
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Human pathology     Volume:  23     ISSN:  0046-8177     ISO Abbreviation:  Hum. Pathol.     Publication Date:  1992 Jun 
Date Detail:
Created Date:  1992-07-01     Completed Date:  1992-07-01     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9421547     Medline TA:  Hum Pathol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  639-46     Citation Subset:  IM    
Department of Soft Tissue Pathology, Armed Forces Institute of Pathology, Washington, DC 20306-6000.
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MeSH Terms
Aged, 80 and over
Joint Diseases / diagnosis,  pathology*
Knee Joint
Middle Aged
Myxoma / diagnosis,  pathology*
Neoplasm Recurrence, Local
Synovial Cyst / diagnosis,  pathology*

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