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Fibroma of tendon sheath

Updated: 2017-01-25T11:42Z
Fibroma of Tendon Sheath
Fibroma of tendon sheath.jpg
Photomicrograph of a fibroma of tendon sheath of the finger
Classification and external resources
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Patient UKFibroma of tendon sheath
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Fibroma of tendon sheath is a benign tumor that presents as a small subcutaneous nodule that slowly increases in size.[1] The tumors often have a multinodular growth pattern, with individual nodules being composed of bland, slender, spindle-shaped cells (myofibroblasts) in a dense, fibrous matrix.”[2] A common microscopic finding is the presence of elongated, slit-like blood vessels.[2] The lesions nearly always arise in the distal portions of the extremities.[2] They often occur on the fingers, hands, toes, or feet. Although they are benign, they may recur in up to 40% of cases.[1]

Although they may be regarded as a tumor of the skin, the lesions arise from tendons and aponeuroses in superficial sites, and are therefore properly classified as in the category "soft tissue tumor." [2]

The biological nature of Fibroma of tendon sheath is not known, but the category appears to comprise a number of different pathologic processes.[2] It is considered that about one-third of the lesions in this category may be acral variants of the entity, nodular fasciitis.[2]

See also


  1. ^ a b Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby. pp. 1820, 1821. ISBN 1-4160-2999-0. 
  2. ^ a b c d e f Pulitzer DR, Martin PC, Reed RJ (June 1989). "Fibroma of Tendon Sheath (A Clinicopathologic Study of 32 Cases)". American Journal of Surgical Pathology. 13 (6): 472–479. PMID 2729499. 

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