• Journal of the Korean Arthroscopy Society
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• v.2 no.1
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• pp.97-100
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• 1998

The giant cell tumor of tendon sheath is very rarely present inside the knee joint. The authors report a case of intraarticular giant cell tumor of tendon sheath arising from posterior cruciate ligament which was successfully excised arthroscopically using posterior trans-septal portal at the time of arthroscopic reconstruction of anterior cruciate ligament.

• Journal of the Korean Arthroscopy Society
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• v.3 no.2
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• pp.146-149
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• 1999

The localized form of a giant cell tumor of tendon sheath rarely affected the large weight-bearing joints. Only four cases of localized giant cell tumor arising in the knee joint could be found in the literatures. Physical examination of the affected knee could show pain, swelling, locking, giving way and limitation of extension, but it was difficult to differentiate from meniscal tear or cruciate ligament tear. Two cases of localized giant cell tumor of tendon sheath were incidentally found in the knees during the reconstruction of the anterior cruciate ligaments. Both tumors arising from the anterior cruciate ligament were excised arthroscopically and were confirmed to be localized giant cell tumor of tendon sheath by microscopic examination. The clinical results were good after complete excision, so we reported these cases with a review of the literatures.

• The Journal of the Korean bone and joint tumor society
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• v.2 no.1
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• pp.60-64
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• 1996

Giant cell tumor of tendon sheath is a slow-growing, unilateral and solitary lesion that is most commonly seen in the digits of the hand and knee, but occasionally occurs in the hips, ankles, toes and wrists. The lesion is asymptomatic or mildly painful, especially if it is diffuse and located in a major joint. The concepts concerning about the pathogenesis of these lesion have undergone constant revision, which include neoplastic process, inflammation and lipid metabolism. Authors analysized 20 patients with giant cell tumor of tendon sheath about the etiology, clinical findings, pathologic findings and treatment results. The results were as follows: 1. 13 cases were females (65%) and 7 cases were males (35%), and the range of age was from 9 years old to 60 years old. 2. The hand was most frequently involved site in which 14 cases (70%) were included, and the foot was involved in 5 cases (25%). 3. Solitary lesions were 15 cases and multiple lesions were 5 cases. 4. Radiographically, in 3 cases bony erosion was seen. 5. All cases were treated by surgical excision and presented no recurrence. In conclusion, the giant cell tumor of tendon sheath, which has been considered to be benign tumorous conditions appeared to be necessary for complete surgical excision to prevent recurrence.

• Journal of Korean Foot and Ankle Society
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• v.6 no.1
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• pp.117-120
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• 2002

We experienced 1 case of the giant cell tumor of the tendon sheath penetrating the middle phalanx of the third toe. Patient had painless huge mass all around the third phalanx of the foot which made a penetrating hole through the middle phalanx of the third toe in plain radiography. The period from the onset of the symptom until operation was about several years. The mass extended to the base of the distal phalanx and compressed digital nerves and vessels. Patient presented with a chief complaint of the pain on the plantar aspect of the toe and limitation of the motion of the distal interphalangeal joint. Giant cell tumor of the tendon sheath was cured by total en block resection.

• Archives of Plastic Surgery
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• v.34 no.6
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• pp.796-798
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• 2007

Purpose: Giant cell tumor is the second most common benign neoplasm in upper extremity. Unlike usual chief complaint of painless mass, an atypical case with giant cell tumor presented a distinguishing characteristics of which accompany pain and tenderness and is histologically giant-cell free. Methods: A 31-year-old male patient complained of a rapid growing painful mass on the proximal phalanx of the left ring finger. Under microscopic operation, a $1.6{\times}1.3cm$ sized mass was found to be surrounded by areolar tissue and attached to a tendon sheath, encircling the digital nerve and artery. Diagnostic confirmation was assisted by positive finding in histologic immunohistochemical stain-CD68. Characteristic pathologic finding is an atypical distribution of spindle cells & histiocytes without giant cells in fascicular pattern. Results: Giant cell tumor was carefully removed under microscopic approach, while preserving digital nerve & artery. In postoperative 13th month, the patient presented with a 6mm of static two-point discrimination test, similar to that of the adjacent fingers. Conclusion: We report an atypical case with painful mass on tendon sheath, surrounding the digital nerve and artery that was diagnosed of giant cell tumor, but without giant cells on pathology. This case provides broader understanding of the giant cell tumor that should not only rely its typical findings of the painless mass and positive sign on H&E stain.

• The Korean Journal of Cytopathology
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• v.19 no.1
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• pp.57-64
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• 2008

Giant cell tumor of the tendon sheath (GCTTS) is a slowly growing, benign soft tissue tumor. The tumors occur predominantly on the hands and feet. Although the clinical and histopathologic features are well-defined, only a few reports have described the cytologic appearance of this entity. A 26-year-old woman presented with a gradually developing circumscribed soft tissue mass near the proximal phalanx of her left little finger for one year. Imprint and fine needle aspiration (FNA) smears were obtained from the excisional biopsy specimen. The imprint smears were composed of predominantly singly dispersed bland mononuclear cells and several giant cells. The mononuclear cells were polygonal to round, and they showed a histiocyte-like appearance. Osteoclast-type multinucleated giant cells of various sizes were randomly scattered throughout the smears, and these cells contained 3 to 50 nuclei. Nuclear atypia and pleomorphism were absent in both the single and giant cells. Loose aggregates of hemosiderin-laden macrophages and binuclear stromal cells were also seen. The cytologic features of the FNA smears were similar with those of the imprint, Additionally, the FNA smears contained several clumps of densely collagenous stromal tissue that were seldom noted in previously reported cytologic material. The cytologic features were well-correlated with the concurrent histologic findings and the diagnosis of GCTTS was made. When the clinical and radiologic datas are integrated, the diagnosis of GCTTS can be strongly suggested, based on the pre-operative cytologic specimen.

• Journal of Korean Foot and Ankle Society
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• v.7 no.1
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• pp.61-67
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• 2003

Purpose: We evaluate the clinical, radiologic and pathologic features of giant cell tumor of tendon sheath (GCTTS) in the foot Materials and Methods: Twelve cases of GCTTS excised from foot region, at our hospital from 1999 to 2002, were analyzed. The mean duration of follow up was 19 months. The age and sex of the patient, location and size of the lesion, symptom as well as radiologic findings were evaluated. Results: The most common symptom was painless mass in 7 patients. Three patients had pain sympton and 2 patients had tenderness. The mean duration from identification of the mass to excision was 14 months. Seven cases were located in the forefoot, most commonly in the big toe with 4 cases, 2 cases in the midfoot and 3 cases in the hindfoot. The average diameter along the long axis was 2.8cm. Conclusion: GCTTS in the foot was more common in the big toe and also plantar side same as in the hand. But bony erosion and pain were more frequent than in the hand.

• Journal of the Korean Society of Radiology
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• v.82 no.1
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• pp.250-254
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• 2021

Diffuse-type tenosynovial giant cell tumor (D-TSGCT), previously known as pigmented villonodular synovitis, is a locally aggressive neoplasm that may arise from the synovium, bursa, or tendon sheath. D-TSGCT is usually monoarticular and can be classified into intra- and extra-articular forms, the latter of which is rarer. Here, we report a case of D-TSGCT in a 64-year-old female that involved the entire flexor and extensor tendon sheaths of both wrists. We describe the ultrasonography and MRI findings, as well as review the relevant literature.

• The Journal of the Korean bone and joint tumor society
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• v.7 no.1
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• pp.20-27
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• 2001

Purpose : The giant cell tumor of tendon sheath is the second most common tumor of the hand, but recurred frequently although excision was performed. Authors analyzed and would report clinical findings and postoperative results of it. Materials and Methods : Between January 1991 and December 1998, 38 patients, 41 cases which the authors had performed excisional biopsy to the mass in the hand and diagnosed with the giant cell tumor of tendon sheath, was analyzed with age, sex, chief complaint, symptom duration, involved finger, involved tendon, frequently developed site in fingers, size, multiplicity, radiologic findings and recurrence. The mean duration of follow-up was 13.1 months (5~40 months). Results : Of 38 patients, twenty-nine were female. It is frequent in the fourth decade and mean age was 40.1 years old. The neurological compression symptom was found in 5 cases. The mean duration of symptom was 23.4 months. Flexor tendon was involved in 24 cases. The distal interphalangeal joint area in digit was involved most frequently in 20 cases. Index finger was the most common involved finger (14 cases), and long finger was the second most common (9 cases). All tumors were unilateral. The majority of patients had solitary lesion but one case had multiple lesion. In the radiologic findings, erosion or pressure indentation of bone was seen in 3 cases. All patients were operated by marginal excision. Recurrence rate was 5.1%. Conclusion : The risk factors in giant cell tumor of tendon sheath were female, forth decade, index finger, flexor tendon, and distal interphalangeal joint area. The recurrence was increased in marginal excision of recurred cases, in cases with multiple developed lesions or in multilobular lesion, so wide surgical excision is necessary to prevent recurrence.

• Journal of Korean Foot and Ankle Society
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• v.23 no.2
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• pp.74-77
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• 2019

Fibroma of the tendon sheath (FTS) was initially described in 1936 by Geschickter and Copeland as a benign firmed soft tissue tumor that is rare and less common than another soft tissue tumors, especially giant cell tumors (GCT) of the tendon sheath. The common distinct feature is a slow-growing least painful rare entity arising from the tendon or tendon sheath. FTS is detected mostly in the fingers, hands and wrists but less commonly in the foot. Very few cases of FTS have been described arising from a flexor tendon of the foot. This article describes a 51-year-old patient with FTS that developed in the extensor tendon of the foot, which is the only known FTS to form in this area. Heterogeneous low signal intensity in both the T1- and T2-weighted images was observed in magnetic resonance imaging. The lesion was excised completely by open surgery. Histologically, it showed randomly arranged, fibroblast-like spindle cells in dense fibrous tissue and had insufficient hemosiderin-laden macrophages that are typical for GCT.