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Case Reports
. 2017 Jan-Feb;92(1):121-123.
doi: 10.1590/abd1806-4841.20175229.

Giant cell tumor of the tendon sheath: a rare periungual location simulating myxoid cyst

Renan Minotto  1 , Camila Britto Rodrigues  1 , Aline Barcellos Grill  1 , Roque Furian  2
Affiliations
Case Reports

Giant cell tumor of the tendon sheath: a rare periungual location simulating myxoid cyst

Renan Minotto et al. An Bras Dermatol. 2017 Jan-Feb.

Abstract

Giant cell tumor of the tendon sheath is a benign soft tissue tumor most frequent between the third and fifth decades of life. It can mimic and make differential diagnoses with several hand tumors. Definitive diagnosis and the treatment of choice are reached with complete resection and histopathological examination. Here we describe a case with clinical presentation similar to that of a myxoid cyst.

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Conflict of interest statement

Conflict of Interest: None

Figures

Figure 1
Figure 1
Lesion with nodular aspect next to the proximal nail fold on the third right finger. Convexity and depressions on the plate
Figure 2
Figure 2
On translucency examination, presence of translucent circular areas forming halos
Figure 3
Figure 3
Surgical exploration revealed multilobulated tumor with smooth and shiny surface in xanthomatous tissue
Figure 4
Figure 4
Histiocytic proliferation forming giant cells similar to osteoclasts. Presence of macrophages, collagen, and hyaline fibrous tissue (Hematoxylin & eosin x10)
Figure 5
Figure 5
Xanthomatous histiocytic differentiation. Proliferation of histiocytes and fibroblasts in xanthomatous areas (Hematoxylin & eosin x10)
Figure 6
Figure 6
Satisfactory postopera - tive evolution without signs of recurrence after two months
See this image and copyright information in PMC

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References

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