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6 Possible Causes for Extensive Fatty Infiltration on Biopsy

  • Arrhythmogenic Right Ventricular Dysplasia

    The biopsy, taken form right ventricular free wall, revealed extensive replacement-type fibrosis and fatty infiltration.[doi.org] Endomyocardial biopsy showed extensive replacement by fibrous tissue [18].[doi.org] (d, e) Endomyocardial biopsy features. Extensive replacement-type fibrosis (Trichrome stain 5).[doi.org]

  • Nodular Localized Cutaneous Amyloidosis

    The biopsy specimen showed extensive deposition of pale eosinophilic amorphous material through the entire dermis into the fatty tissue, with dense infiltration of plasma[e-ijd.org] (c) A CT study showed a swollen hilar lymph node (red arrows), consistent with sarcoidosis Click here to view Skin-punch biopsy (4 mm) was performed for the nodule on the[e-ijd.org]

  • Myotonic Dystrophy

    Late in the disease (II-5, II-6, II-7, II-8), extensive myofibre loss and fatty infiltration with moderate fibrosis were encountered.[doi.org] The muscle biopsy was normal in only one patient (III-36).[doi.org]

  • Carnitine Deficiency

    Abstract We report the case of a patient who at age 39 first developed an episode of muscle weakness and transient ketoacidosis with biopsy proven fatty infiltration of the[ncbi.nlm.nih.gov] Over the next several years, myopathy ensued; biopsy revealed extensive deposition of lipid globules in type 1 muscle fibres.[ncbi.nlm.nih.gov]

  • Navajo Poikiloderma

    fatty infiltration on biopsy; Focal lymphocytic and macrophage infiltrates on biopsy; Loss of lower-limb tendon reflexes; Lymphedema of upper and/or lower limbs (in some[findzebra.com] Contractures of upper limbs (in some patients); Muscle weakness of proximal and distal upper and lower limbs; Muscle wasting; Myogenic profile on electromyography; Adiposis on MRI; Extensive[findzebra.com]

  • Autosomal Dominant Centronuclear Myopathy

    Muscle magnetic resonance imaging (MRI) revealed an extensive fatty infiltration in the posterior thigh and distal leg muscles, with severe involvement in the bilateral adductor[e-sciencecentral.org] Muscle biopsy was performed for the patient’s left biceps muscle and revealed numerous central nuclei in most of the muscle fibers, with disrupted myofibril and type 1 fiber[e-sciencecentral.org]

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