Cases reported "Cartilage Diseases"

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1/6. Focal fibrocartilaginous dysplasia of long bones: report of eight additional cases and literature review.

    We report eight additional cases of focal fibrocartilaginous dysplasia (FFCD) in the proximal tibia (five), distal ulna (one), and distal femur (two). Spontaneous, complete resolution of the lesion was observed in two tibiae and one ulna. Three tibial lesions with genu varum deformity were managed with osteotomy. Two femoral FFCDs caused persistent or progressive deformity: one genu valgum with patellar dislocation, and one genu varum. These patients underwent concomitant deformity correction and lengthening by the Ilizarov method. The final results were satisfactory in all patients except one, who underwent valgus tibial osteotomy and developed mild postoperative genu valgum. The analysis of a total of 46 cases in the literature and our experience suggests that (a) FFCD has a wide histopathologic spectrum, ranging from purely dense, fibrous tendon-like tissue to benign fibrocartilaginous tissue; (b) at least 45% of tibial FFCD demonstrates progressive, spontaneous resolution; (c) in contrast, femoral and humeral FFCDs appear to have a slim possibility of spontaneous regression of the deformity; and (d) corrective osteotomy is indicated when the deformity is increasing or persistent, or when the existing deformity is severe enough to jeopardize adjacent joint mechanics and alignment.
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ranking = 1
keywords = tibia
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2/6. A case report of an unusual location of pericruciate meniscal cyst with adjacent bony erosion.

    Meniscal cysts are uncommon cystic lesions around the knee, and pericruciate meniscal cysts are the most rare types. Here we present an unusual case of a pericruciate meniscal cyst located laterally to the anterior cruciate ligament (ACL), causing erosion of the adjacent tibial plateau.
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ranking = 0.2
keywords = tibia
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3/6. Medial meniscus anterior horn cyst: arthroscopic decompression.

    Meniscus cysts are mostly seen with meniscus tears, and arthroscopic decompression of cysts is gaining great importance in their treatment. In this study, we present a medial meniscus anterior horn cyst without an accompanying tear in the meniscus. A 33-year-old male patient was seen with pain and a palpable mass in his right knee. He complained that the severity of the pain had increased over the previous year. After the clinical and radiologic examinations, a painless, fixed soft tissue mass averaging 4 x 5 cm was located just medial to tuberositas tibia. The cyst was decompressed arthroscopically. In the 18th month of follow up, the mass had totally disappeared and the patient had no pain. Medial meniscus cysts are seen nine times fewer than lateral meniscus cysts. They are mostly accompanied with meniscal tears. Total meniscectomy with arthrotomy, isolated cyst excision, cyst excision, and partial meniscectomy with arthrotomy and arthroscopic partial meniscectomy with cyst decompression are treatment modalities. Arthroscopic meniscal cyst decompression is an important treatment choice and should always be taken into consideration with low morbidity, short recovery period, low recurrence rate, preservation of range of motion, and permission for early mobilization and rehabilitation of the joint.
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ranking = 0.2
keywords = tibia
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4/6. Meniscal cyst causing periarticular tibial erosion.

    Meniscal cysts causing bone erosions are rare. The majority of meniscal cysts are associated with tears of the menisci and magnetic resonance (MR) imaging appearances are usually diagnostic. The MR images of a 34-year-old man showed a well-defined cystic mass that communicated with a horizontal cleavage tear of the posterior horn of the lateral meniscus and caused pressure erosion of the lateral tibial condyle. We believe this to be the first locally reported case of tibial erosion related to a meniscal cyst. This entity should be included in the differential diagnosis for a well-defined periarticular erosion.
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ranking = 1.2
keywords = tibia
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5/6. tibia vara caused by focal fibrocartilaginous dysplasia. Three case reports.

    We present three cases of a previously undescribed condition characterised by unilateral tibia vara associated with an area of focal fibrocartilaginous dysplasia in the medial aspect of the proximal tibia. The three children affected were aged 9, 15 and 27 months respectively. Two required tibial osteotomy, but in one the deformity resolved without treatment. The pathogenesis of the focal lesion remains conjectural; the most likely explanation is that the mesenchymal anlage of the tibial metaphysis has, for unknown reasons, developed abnormally at the insertion of the pes anserinus.
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ranking = 0.8
keywords = tibia
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6/6. Tibial plateau erosions associated with lateral meniscal cysts.

    Although meniscal cysts are common, erosions of bone caused by these cysts are quite rare. We report MR imaging findings of two cases in which lateral meniscal cysts resulted in erosion of the lateral tibial plateau.
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ranking = 0.2
keywords = tibia
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