Cases reported "Muscular Diseases"

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1/92. Chronic renal failure causing brown tumors and myelopathy. Case report and review of pathophysiology and treatment.

    Brown tumors (osteoclastomas) are histologically benign lesions that are caused by primary or secondary hyperparathyroidism. Secondary hyperparathyroidism is a frequent complication of chronic renal failure. Skeletal brown tumors are relatively uncommon, and brown tumors that involve the spine are considered very rare. The authors present the case of a 37-year-old woman with systemic lupus erythematosus and hemodialysis-dependent anuric renal failure, in whom spinal cord compression developed due to a brown tumor and pathological fracture at T-9. The patient underwent transthoracic decompressive surgery and spinal reconstruction in which cadaveric femoral allograft and instrumentation were used. Brown tumors of the vertebral column require surgical treatment if medical therapy and parathyroidectomy fail to halt their progression or if acute neurological deterioration occurs. In patients with renal failure bone healing is delayed and there is an increased risk that healing will fail because the metabolic derangements can result in severe osteoporosis. Surgical reconstruction of the spine may require the use of augmentation with instrumentation and aggressive treatment of hyperparathyroidism to achieve successful outcomes.
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keywords = bone
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2/92. association of diffuse idiopathic skeletal hyperostosis (DISH) and calcification and ossification of the posterior longitudinal ligament.

    Diffuse idiopathic skeletal hyperostosis (DISH) is a common ossifying diathesis in middle-aged and elderly patients characterized by bone proliferation along the anterior aspect of the spine and at extraspinal sites of ligament and tendon attachment to bone. Four patients with DISH revealed extensive calcification and ossification of the posterior longitudinal ligament in the cervical spine. review of cervical spine radiographs in 74 additional patients with DISH demonstrated bony hyperostosis of the posterior aspect of the vertebrae in 41%, posterior spinal osteophytosis in 34%, and posterior longitudinal ligament calcification and ossification in 50%. These ligamentous findings, which have previously been described almost exclusively in Japanese people, appear to be an additional skeletal manifestation of DISH.
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keywords = bone
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3/92. rhabdomyolysis in DOMS.

    A 26-year-old man with a previous history of external twin bursitis was remitted to our Department for a bone scintigraphy. Before the study, the patient performed an elevated number of intense sprints. Bone scintigraphy showed a bilaterally increased activity in both anterior rectum muscles suggesting rhabdomyolysis. Biochemical studies and MRT confirmed the diagnosis.
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keywords = bone
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4/92. High bone mass and hypocalcaemic myopathy in a patient with idiopathic hypoparathyroidism.

    The clinical manifestations of hypoparathyroidism are mainly characterised by increased neuromuscular irritability as a consequence of hypocalcaemia. Occasionally, elevation of the muscle enzymes may mimic polymyositis. Reduced parathyroid hormone production, but also vitamin d treatment and calcium supplementation, may contribute to the increased bone mass found in patients with postsurgical hypoparathyroidism. We report the case of a 36-year-old woman with untreated idiopathic hypoparathyroidism and a high bone mass despite severe muscle impairment due to hypocalcaemic myopathy.
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ranking = 6
keywords = bone
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5/92. The role of bone scanning in the detection of metastatic calcification: a case report.

    Metastatic calcification associated with renal failure is well described. Bone scanning agents accumulate to various degrees within extraskeletal sites of metastatic calcification. The authors describe a patient with polycystic kidney disease resulting in renal failure, with the subsequent development of secondary hyperparathyroidism and metastatic calcification. Bone scintigraphy revealed abnormal uptake in both lungs, the right leg, and the right hand.
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ranking = 4
keywords = bone
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6/92. erdheim-chester disease with intramuscular lipogranuloma.

    We report on a rare manifestation of erdheim-chester disease with intramuscular lipogranuloma. The patient was a 66-year-old man who noted a soft tissue mass in the right quadriceps femoris muscle. Radiographs revealed symmetrical osteosclerosis in the diametaphysis of both femora and tibiae. An open biopsy revealed a proliferation of lipid-laden histiocytes in the femoral bone marrow and the quadriceps femoris muscle. To our knowledge, this is the second case of erdheim-chester disease involving muscle.
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keywords = bone
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7/92. Unusual muscle pathology in McLeod syndrome.

    Muscle pathology in McLeod syndrome is usually mild; patchy necrotic or regenerating fibres, occasional internal nuclei, and the absence of an inflammatory cell infiltrate are the usual findings. We report on a 29 year old man presenting with chronic fatiguability and excessive sweating in whom an open quadriceps muscle biopsy demonstrated grouped necrotic fibres accompanied by striking patchy mononuclear cell infiltrates. The diagnosis of McLeod syndrome was made on the basis of red blood cell acanthocytosis, raised serum creatine kinase, and weak expression of Kell blood group antigens. The quadriceps muscle infiltrate consisted principally of histologically typical macrophages. These cells had prominent nucleoli, displayed numerous mitoses, and were strongly CD68 . A small population of typical CD3 , CD43 lymphocytes was also present. In addition, a small population of large atypical CD3 cells was noted. Immunoperoxidase stains for CD20, CD30, CD79a, and CD56 were negative. Immunocytochemical studies for the common muscular dystrophies were normal. The muscle biopsy findings highlight a potential for confusion of this condition with idiopathic polymyositis. The expanding range of muscle pathology reported in McLeod syndrome, to which this case adds, may reflect variable involvement of the XK gene on chromosome Xp21, or of the adjacent loci of Duchenne muscular dystrophy and chronic granulomatous disease.
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ranking = 44.257008255294
keywords = macrophage
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8/92. The pelvi-femoral incomplete bone bridge in a patient with mild haemophilia.

    A 15-year-old boy with mild haemophilia who regularly participates in contact sports presented with right hip pain radiating to the groin and buttock areas and difficulty in walking. Conventional radiography disclosed a heterotopic new bone formation in the adductor region. The reformatted and three-dimensional reconstructed images of computerized tomography (CT) scans detailed an incomplete pelvi-femoral bone bridge formation in the quadratus femoris muscle, which was located very close to the sciatic nerve but did not cause any clinical symptoms. Postural exercises and clinical survey were selected as the primary treatment.
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ranking = 6
keywords = bone
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9/92. central nervous system disease in patients with macrophagic myofasciitis.

    Macrophagic myofasciitis (MMF), a condition newly recognized in france, is manifested by diffuse myalgias and characterized by highly specific myopathological alterations which have recently been shown to represent an unusually persistent local reaction to intramuscular injections of aluminium-containing vaccines. Among 92 MMF patients recognized so far, eight of them, which included the seven patients reported here, had a symptomatic demyelinating CNS disorder. CNS manifestations included hemisensory or sensorimotor symptoms (four out of seven), bilateral pyramidal signs (six out of seven), cerebellar signs (four out of seven), visual loss (two out of seven), cognitive and behavioural disorders (one out of seven) and bladder dysfunction (one out of seven). brain T(2)-weighted MRI showed single (two out of seven) or multiple (four out of seven) supratentorial white matter hyperintense signals and corpus callosum atrophy (one out of seven). evoked potentials were abnormal in four out of six patients and CSF in four out of seven. According to Poser's criteria for multiple sclerosis, the diagnosis was clinically definite (five out of seven) or clinically probable multiple sclerosis (two out of seven). Six out of seven patients had diffuse myalgias. deltoid muscle biopsy showed stereotypical accumulations of PAS (periodic acid-Schiff)-positive macrophages, sparse CD8 T cells and minimal myofibre damage. Aluminium-containing vaccines had been administered 3-78 months (median = 33 months) before muscle biopsy (hepatitis b virus: four out of seven, tetanus toxoid: one out of seven, both hepatitis b virus and tetanus toxoid: two out of seven). The association between MMF and multiple sclerosis-like disorders may give new insights into the controversial issues surrounding vaccinations and demyelinating CNS disorders. deltoid muscle biopsy searching for myopathological alterations of MMF should be performed in multiple sclerosis patients with diffuse myalgias.
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ranking = 44.257008255294
keywords = macrophage
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10/92. Iliac osteomyelitis and gluteal muscle abscess caused by streptococcus intermedius.

    streptococcus intermedius, included in the 'milleri group', is a commensal of the mouth and upper respiratory tract but it has often been associated with various pyogenic infections, such as endocarditis, pneumonia, abdominal or cerebral abscess, rarely with osteomyelitis, and exceptionally with muscular abscess. The first observed case of iliac osteomyelitis with gluteal muscle abscess caused by S. intermedius is reported. It is essential to recognise members of the 'milleri group' as possible agents of bone and muscle pyogenic infection because its management requires a timely diagnosis and prolonged antimicrobial treatment to achieve complete clinical and radiological recovery.
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keywords = bone
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