Cases reported "Chondroma"

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1/11. Periosteal chondromyxoid fibroma: a case study using imprint cytology.

    Bone surface is an exceptional location for chondromyxoid fibroma. Only 14 cases of juxtacortical chondromyxoid fibroma have been reported to date and, to our knowledge, none of these cases are documented with imprint cytology. We report a case of periosteal chondromyxoid fibroma located in the distal tibial metaphysis of a 4-yr-old boy. The clinical diagnosis was metaphyseal fibrous defect. Cytologic examination revealed a mixoid matrix, with stellate and spindle-shaped cells seen singly, focus of chondroid material, and epithelioid cells. Multinucleate giant cells were not seen. The diagnosis of periosteal chondromyxoid fibroma can be made by fine-needle aspiration or imprint cytology with clinico-radiologic correlation.
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keywords = tibia
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2/11. Superficial femoral pseudoaneurysm and arterial thromboembolism caused by an osteochondroma.

    A 13-year-old boy with a symptomatic distal femoral osteochondroma was found to have a pseudoaneurysm of the superficial femoral artery caused by the tumor and occlusion of the anterior tibial artery due to arterial thromboembolism. Excision of the exostosis followed by saphenous vein grafting resulted in an excellent clinical recovery.
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keywords = tibia
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3/11. Resolving solitary osteochondromas. A report of two cases and literature review.

    Resolving osteochondromas were previously thought to be uncommon. Two cases are presented, including the first report of a resolving solitary osteochondroma of the proximal tibia. These cases, along with previous reports, suggest resolution may occur, especially in boys under age 12 years. Surgical excision should be delayed in this group of patients provided malignant transformation or neurovascular compromise is not a concern.
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keywords = tibia
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4/11. Tenosynovial lipochondromatosis of the flexor hallucis, common toe flexor, and posterior tibial tendons.

    Presented is a case report of a girl with a lipomatous lesion of the medial ankle with chondromatous transformation of the sheath of the common and great tow flexor tendons. The lesion was completely excised. Histologic examination confirmed the diagnosis of tenosynovial lipochondromatosis of the involved tendons. The patient was symptom free at the 18-month follow-up examination.
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ranking = 4
keywords = tibia
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5/11. Two cases of periosteal chondroma.

    One of our 2 cases of periosteal chondroma of the tibia recurred three times before definitive cure, and required extensive radiographic and histologic evaluation to avoid overinterpreting the malignancy. Our experience confirms that marginal excision should be employed.
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keywords = tibia
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6/11. Unusual causes of calf swelling--3. popliteal vein obstruction by an osteochondroma of the proximal tibia.

    Vascular complications of osteochondroma are uncommon. We report a case of popliteal vein obstruction by an osteochondroma, arising from the proximal tibia, in which the diagnosis was initially missed. The pathogenesis and management of these complications are discussed.
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ranking = 5
keywords = tibia
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7/11. Soft tissue recurrence of chondromyxoid fibroma.

    A 12-year-old girl presented with an isolated soft tissue recurrence of chondromyxoid fibroma after two previous excisions of tumor from the proximal tibia. Chondromyxoid fibroma is a rare benign tumor of bone. We present this case report of isolated soft tissue recurrence to emphasize a rarely reported complication of surgical extirpation.
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keywords = tibia
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8/11. Stenosis of the popliteal vein caused by an osteochondroma of the distal femur: a case report.

    This report describes a 14-year-old girl presenting with unilateral distal leg edema which developed on the basis of popliteal vein compression by a large osteochondroma of the distal femur. Excision of the osteochondroma relieved the venous obstruction, and the leg returned to normal. Lesions of tibial arteries and veins caused by osteochondromas of the distal femur are discussed.
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ranking = 1
keywords = tibia
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9/11. 'Locking knee' due to osteochondroma.

    An unusual cause of locking of the knee is reported, due to an osteochondroma at or around the inner part of the upper tibia. It usually presents in young teenagers who frequently have difficulty extending the knee from a fully flexed position. The cause is interference with the free excursion of the pes anserinus. Excision of a symptomatic osteochondroma has been known to relieve the complaint.
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ranking = 1
keywords = tibia
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10/11. Solitary osteochondroma of the foot: an in-depth study with case reports.

    osteochondroma represents the most common benign bone tumor and occurs most frequently in the proximal humerus, tibia, and distal femur. The bones of the foot, by comparison, are less commonly involved. The tumor appears to be a developmental defect of bone preformed in cartilage rather than a true neoplasm. However, on rare occasions it may undergo chondrosarcomatous degeneration, thus demonstrating neoplastic behavior. A review of the literature, including clinical features of osteochondroma, radiologic and histologic characteristics, and theories on pathogenesis, is presented. Information concerning principles of surgical treatment, techniques of diagnosis, and facts to aid in the differential diagnosis of osteochondroma is presented also. Finally, a series of case reports is presented to demonstrate the surgical treatment of osteochondroma of the foot. Included are three cases of phalangeal osteochondroma, one of metatarsal osteochondroma, and an unusual report of osteochondroma of the talus. A case report and discussion of a patient with juxtacortical circumscripta myositis ossificans of the foot is also presented to demonstrate how information on lesions included in the differential of osteochondroma can be utilized clinically to make the diagnosis.
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ranking = 1
keywords = tibia
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