1/15. Multiple, bilateral and painful ear nodules of the anthelices: a variant of chondrodermatitis nodularis?A case of a distinctive clinicopathologic condition of the ear cartilage is presented, characterized by multiple, bilateral and painful nodules of the anthelices without epidermal involvement. Histologically, there was a peri-chondrial lymphohistiocytic infiltrate and a small focus of degenerate, basophilic cartilage as well as cystic chondromalacia containing an amorphous mass. This condition is both clinically and histopathologically distinct from other causes of ear nodules, although the lesions seen in our patient exhibit features of chondrodermatitis nodularis helices and therefore could well be a variant of the latter.- - - - - - - - - - ranking = 1keywords = chondromalacia (Clic here for more details about this article) |
2/15. Bilateral dystrophic ossification of the thyroid cartilage appearing as symmetrical laryngeal masses.Primary cartilaginous lesions of the larynx are relatively uncommon. We present a case of bilaterally pseudocystic lesion of the thyroid cartilage that demonstrated progressive calcification. Pathologic analysis showed features suggesting a dystrophic lesion with no evidence of malignancy. We hypothesize that repetitive microtrauma related to muscular overuse probably led to inflammatory changes at tendinous insertions on the laryngeal cartilage and resulted in dystrophic ossification of the laryngeal cartilage.- - - - - - - - - - ranking = 3.3973192967129E-6keywords = larynx (Clic here for more details about this article) |
3/15. MRI of cartilaginous tumours of the larynx.Cartilaginous lesions of the larynx are uncommon, approximately 250 cases being documented in the literature. In general, these tumours grow slowly, exhibiting only local aggressiveness. Distant metastases are rare. Up until now CT has been the best diagnostic tool for the evaluation of these tumours because it demonstrates intratumoral calcification so well. To the best of our knowledge there are no reports of the use of MRI for these lesions. Three cases of cartilaginous laryngeal tumours are presented, emphasizing the MRI features.- - - - - - - - - - ranking = 1.6986596483564E-5keywords = larynx (Clic here for more details about this article) |
4/15. Lateral retinaculum release in adolescent patellofemoral disorders: its relationship to peripheral nerve injury in the lateral retinaculum.adolescent patellofemoral disorders which are associated with recognizable change in the articular cartilage of the patella are called chondromalacia patellae. This is a clinical syndrome characterized by persistent retropatellar pain, but not always associated with histopathological changes of the articular cartilage. When lateral retinacular release is performed in such patients, pain is frequently eased even though lateral release does not always cause an appreciable change in patellofemoral contact pressure. This suggests that pain, at times, may emanate from the peripatellar retinacular supports themselves. Thirty-five knees of 22 patients suffering from anterior knee pain (with or without an unstable patella) were investigated histologically. Pathological changes in nerves were graded on a 0 to 3 scale of severity. There was severe degenerative neuropathy in nine knees, moderate change in nine, and slight change in 11; the remaining six knees were normal. Histological investigation of the resected lateral retinaculum suggested that pain originated in the lateral retinaculum in many patients, and that degenerative changes in the nerves of the lateral retinaculum may be an important cause of pain in patients with patellofemoral disorders.- - - - - - - - - - ranking = 1keywords = chondromalacia (Clic here for more details about this article) |
5/15. Aneurysmal bone cyst of the cricoid cartilage: an unusual cause of subglottic stenosis.Aneurysmal bone cysts (ABC) are locally aggressive bony tumors which rarely occur in the head and neck. Only 3 cases have been reported in the larynx previously, 1 involving the cricoid cartilage. A patient is presented who developed subglottic stenosis with airway compromise due to an ABC arising from the cricoid cartilage. The literature on bony tumors of the laryngeal cartilages was reviewed and the clinical and pathologic findings in this case highlighted.- - - - - - - - - - ranking = 3.3973192967129E-6keywords = larynx (Clic here for more details about this article) |
6/15. An electron microscopic study of early pathology in chondromalacia of the patella.For a study of the ultrastructural pathology of chondromalacia patellae, we studied biopsy specimens that had been obtained at operation in twelve young patients who had pain in the anterior aspect of the knee due to mechanical derangement and also had the pathological changes in articular cartilage that are characteristic of chondromalacia. The initial pathological finding was swelling of the superficial matrix associated with breakdown of the collagen fiber network, especially at matrix streaks in the superficial and transitional zones. Fibrillated cartilage contained surface fissures that penetrated the middle layers. Amorphous electron-dense material was found covering the internal surfaces of the fissures; this appeared to contain degraded components of the matrix. In association with these changes, there were formation of nests of cells (clusters of chondrocytes) and increased numbers of organelles in the chondrocytes. A limited repair reaction also was observed in some specimens; this was characterized by the migration of fibroblast-like cells over the surface of the cartilage. The ultrastructural observations on these specimens from patients who had chondromalacia were compatible with a pathogenesis resulting from mechanical overload.- - - - - - - - - - ranking = 7keywords = chondromalacia (Clic here for more details about this article) |
7/15. Chondromalacia of the fabella: a case report.A 46-year-old man suffered from chondromalacia of the fabella after minor trauma to the back of the knee. The condition was misdiagnosed initially as fasciitis, tendinitis, a Baker's cyst and a herniated lumbar intervertebral disc. Pathognomonic signs were pain behind the lateral femoral condyle on palpation and compression of the fabella and also on passive extension of the knee. Conservative management was unsuccessful. Excision of the fabella gave quick and lasting relief.- - - - - - - - - - ranking = 1keywords = chondromalacia (Clic here for more details about this article) |
8/15. Recurrent dislocation of patella following lateral retinacular release. A case report.A case is presented with several total dislocations of patella after an operative lateral retinacular release for chondromalacia patellae. The patient, a 27-year-old woman, had no history of preoperative luxations or subluxations. She had, however, a Q-angle of 20 degrees--a fact that may have been significant in the pathogenesis.- - - - - - - - - - ranking = 1keywords = chondromalacia (Clic here for more details about this article) |
9/15. Complications and treatment of bilateral patellectomy for chondromalacia in an adolescent girl: a case report.A 16-year-old girl underwent left and right patellectomies in December 1973 and January 1974 for disabling chondromalacia. Surgery had been performed in 1971 for a chronic left patellar subluxation and in 1973 for a discoid lateral meniscus. There were five postpatellectomy complications, four of which were identical soft tissue cutaneous inflammatory femoral condylar foci which required excision of underlying condylar cartilage and bone; the fifth was a focus of subcutaneous, hemorrhagic fibroadipose tissue with neuroma-like pain in the right knee which responded well to excision. Three years later, there was no limp; stairs were manipulated normally, but there was pain during inclement weather. There was a 5 degree extension lag of the right knee and both knees flexed fully. Multiple scars on both knees have not adversely affected the patient. After four operations and two manipulations of the left knee and five operations and three manipulations of the right knee, the two-year follow-up period has shown that results in both knees are unexpectedly good. The article discusses postpatellectomy complications.- - - - - - - - - - ranking = 5keywords = chondromalacia (Clic here for more details about this article) |
10/15. Racquet player's pisiform.Four patients whose sport involved wielding a racquet presented with symptoms at the base of the hypothenar eminence which were due to minor degrees of subluxation of the pisiform. In two there was in addition a chondromalacia of the articular cartilage of the joint.- - - - - - - - - - ranking = 1keywords = chondromalacia (Clic here for more details about this article) |
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