• Journal of the Korean Orthopaedic Association
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• v.55 no.4
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• pp.338-342
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• 2020

Periosteal chondroma is a rare, slow-growing, benign cartilaginous tumor that develops between the periosteum and cortex, but there are no reports of multiple periosteal chondroma of the toes. A 19-year-old male presented with a palpable mass of the right fourth toe with tenderness for one year. A radiology examination revealed multiple, radio-lucent lesions with mild cortical irregularity. The magnetic resonance imaging findings were chondrogenic tumors with multiple, well-defined T1-low and T2-high signal enhanced lesions involved in the fourth proximal, middle, and distal phalanges. The tumors were removed by a surgical resection and curettage. Histologically, the tumors were proven to be periosteal chondroma.

• Tuberculosis and Respiratory Diseases
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• v.40 no.1
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• pp.72-78
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• 1993

Background: In malignancies, detection of metastatic foci is of value in making therapeutic plans for treatment of disease and prevention of life-threatening complications. Common sites for metastasis of bronchogenic cancer include lymph nodes, liver, brain, adrenals and bone. Skull, vertebrae, ribs and long bones are common sites for bone metastasis. But in epidermoid carcinoma, the incidence of bone metastasis is relatively low and especially to the distal phalangeal bone is rare. Methods: We experienced a case of epidermoid carcinoma with the first distant metastasis to the fifth distal phalangeal bone, right toe. Results: The initial stage in the diagnosis of epidermoid carcinoma was T4N3MO. During the third round of anticancer chemotherapy, we recognized the distant metastasis to the fifth distal phalangeal bone for the first time. Localized abnormal findings were noted by bone X-ray and scanning. By a histopathologic examination of the amputated toe, we confirmed the metastasis of epidrmoid bronchogenic carcinoma. Conclusion: If localized abnormal finding is discovered at an unusual site for metastasis, we recommend physicians to consider the possibility of metastasis even though it is very low.

• The Journal of the Korean bone and joint tumor society
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• v.7 no.4
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• pp.151-156
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• 2001

The reported incidence of osteosarcoma of the foot varies between 0.2-2% of all osteosarcoma. Low grade osteosarcoma of the long bone represents only 1.9% of all osteosarcoma. A 38-year-old female had suffered painful mass in the proximal phalanx of the second toe for 1 year. Radiographic finding showed enlarged osteloytic mass which had penetrated thin cortex of the second toe and apparent increased uptake in bone scan was seen. Mass resection with autogenous bone graft using rib was performed. Histologically, the tumor was compatible with "low grade osteosarcoma". Second stage wide resection was performed. Because low grade osteosarcoma located in the proximal phalanx of the second toe is very rare, we report this unusual case with review of literature.

• The Journal of the Korean bone and joint tumor society
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• v.16 no.2
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• pp.91-94
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• 2010

Fibro-osseous pseudotumor is an extremely rare benign lesion which is fast-growing and painful. It is often misdiagnosed as a malignancy, but it is a noninvasive entity and can be cured by simple resection. We report a case of fibro-osseous pseudotumor of the distal phalanx of great toe in 20-year-old female patient who present with painful mass.

• The Journal of Korean Orthopaedic Ultrasound Society
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• v.2 no.1
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• pp.24-26
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• 2009

A 20-year-old patient who got injured on his right big toe and complained pain visited to our hospital 9 months ago. Before the patient transferred to our hospital, plain radiographs were obtained at a private hospital and the patient underwent conservative treatment with uncertain diagnosis. However, the symptom was not improved, and he continued to complain intra-articular pain on his interphalangeal joint of big toe during plantarflexion or dorsiflexion. On plain radiographs of our hospital, we observed small bone fragment in his interphalangeal joint of the big toe. On the ultrasonographic images, two loose bodies in the interphalangeal joint were found. Then, we removed the loose bodies as surgical treatment, and the symptom was subsided completely. The purpose of this study is to report the ultrasonographic finding of the loose bodies of interphalangeal joint of the big toe.

• Journal of the Korean Arthroscopy Society
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• v.14 no.3
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• pp.164-168
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• 2010

• Journal of the Korean Orthopaedic Association
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• v.56 no.6
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• pp.484-490
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• 2021

Purpose: A rheumatoid forefoot deformity includes severe hallux valgus and claw toe of the four lateral toes. The authors intended to analyze the mid-term results of the modified Hoffman procedure for a rheumatoid forefoot deformity. Materials and Methods: Twenty-two feet of eighteen patients were followed up for more than two years after the modified Hoffman procedure. The mean age was 54.7 years, and the mean follow-up period was three years and four months. Clinically visual analogue scale (VAS) and American Orthopaedic Foot and Ankle Society (AOFAS) MP-IP score were analyzed preoperatively and postoperatively. The postoperative complications, the satisfaction of patients, and the presence of plantar callosity were also analyzed. Radiographically, the hallux valgus angle, the 1st intermetatarsal angle, the 1st interphalangeal angle, the 1st interphalangeal joint arthritic change after the operation, and the dorsiflexion angle and the time to union of the 1st metatarsophalangeal joint were analyzed. Results: Clinically, the VAS and AOFAS score were respectively improved from 7.1 points and 30.3 points preoperatively to 1.5 points and 83.1 points postoperatively (p<0.001). All patients were satisfied with the results. Plantar callosity disappeared in all cases. Radiographically, the mean hallux valgus angle, the 1st intermetatarsal angle, and the 1st interphalangeal angle changed from 52.8°, 13.3°, and 7.5° preoperatively to 16.2°, 8.7°, and 14.6° postoperatively (p<0.001). The mean dorsiflexion angle of the 1st metatarsophalangeal joint was 17.2° postoperatively. The mean time to radiographic union of the 1st metatarsophalangeal joint was 11.1 weeks. There were two cock-up deformities of the lesser toe, one wound problem, and two hallux interphalangeal joint arthritis as a complication. There were no cases of nonunion of the 1st metatarsophalangeal joint. Conclusion: The modified Hoffman procedure appears to be a safe and satisfactory procedure for a rheumatoid forefoot deformity.

• Archives of Reconstructive Microsurgery
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• v.10 no.2
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• pp.143-148
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• 2001

The hand with amputation of all fingers is useless for activities of daily living and traumatic amputation of some of the fingers can result in the diminished ability to perform power grip and precision grip which is vital to maintain normal function of the hand. Precision grip is used to hold an object between the opposable thumb and flexed fingers. In power grip the object is held between the flexed fingers and the palm while the thumb applies the necessary counterpressure to maintain the grip on the object. A 35 year old male lost his right all fingers including thumb at the level of proximal phalanx from the pressure machinary accident. Thumb was reconstructed using wrap around flap and the second and third fingers were reconstructed using the second and third toe transplantation. Seven years after reconstruction, he uses the reconstructed thumb and the second and the third fingers for eating meals, writing down a paper with a pencil and putting on socks.

• 대한족부족관절학회:학술대회논문집
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• 2011.04a
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• pp.41-41
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• 2011

• The Journal of the Korean bone and joint tumor society
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• v.17 no.2
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• pp.91-94
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• 2011

Bizarre parosteal osteochondromatous proliferation (BPOP) otherwise known as Nora's lesion, is a benign surface tumor of the small tubular bone of the hands and feet with high probability of local recurrence. The report of BPOP in the foot is very rare in our country. We report a case of BPOP of proximal phalanx of right $3^{rd}$ toe in 44-year-old female, successfully managed by en-bloc marginal excision with a review of the literatures.