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Review
. 2022 Nov;17(6):NP11-NP15.
doi: 10.1177/15589447221077374. Epub 2022 Mar 23.

Giant Cell Tumor of the Triquetrum: Clinical Case and Literature Review

Adrià Calderon  1 , Amalia Martínez-Ruiz  1 , Teresa Subirà-I-Álvarez  1 , Luis Oraa  1 , Xavi Llorens  1 , José Maria Mora  1
Affiliations
Review

Giant Cell Tumor of the Triquetrum: Clinical Case and Literature Review

Adrià Calderon et al. Hand (N Y). 2022 Nov.

Abstract

Giant cell tumor (GCT) is a benign, locally aggressive neoplasm with little incidence at the carpal bone level. We present a case of pyramidal bone GCT that required open biopsy for diagnosis. As a definitive treatment, en bloc resection of the pyramidal bone and luno-capitate arthrodesis were performed to avoid frequent relapses of these neoplasms and ensure proper functionality of the anatomical segment.

Keywords: anatomy; diagnosis; fracture/dislocation; hand; pain; pain management; research and health outcomes; specialty; treatment; tumor; wrist.

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Conflict of interest statement

The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Figures

Figure 1.
Figure 1.
Plain radiograph front (a) and oblique (b) of the hand showing a lytic lesion in the pyramidal bone, which occupies the entire bone, with significant insufflation of the cortices without being able to ensure its complete integrity.
Figure 2.
Figure 2.
(a) Axial, (b) coronal, and (c) sagittal sections of computed tomography where a lesion is observed at the pyramidal bone level that expands the cortices and involves a loss of the intraosseous trabecular pattern. Small foci of cortical disruption are observed with apparent integrity of the rest of the carpal bone structures.
Figure 3.
Figure 3.
(a) Coronal, (b) sagittal, and (c) axial sections of magnetic resonance imaging in T1 and T2 fat saturation, where an encapsulated cystic lesion is observed inside the pyramidal bone that inflates the cortices without exceeding it. There is also perilesional edema without apparent tumor involvement of the soft tissues or the rest of the carpal bones.
Figure 4.
Figure 4.
(a) Images of the surgical intervention in which we observe the dorsal approach with identification of the pyramidal bone with insufflated cortices without macroscopic involvement of the adjacent soft tissues, and (b) image of the placement of 2 antegrade lunate-large bone cannulated screws.
Figure 5.
Figure 5.
(a) Simple front and (b) profile wrist radiology images showing radiological results after 1 year of treatment evolution of the resection of the pyramidal and scaphoid bone and the luno-capitate arthrodesis with cannulated screws fully consolidated.
See this image and copyright information in PMC

References

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    1. Louis DS, Hankin FM, Braunstein EM. Giant cell tumour of the triquetrum. J Hand Surg Br. 1986;11(2):279-280. - PubMed

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