Abstract
Piriformis syndrome (PS) is a rare condition characterized by pain and paresthesia of the buttock, often radiating to the posterior thigh. A patient with sciatica that was clinically suspicious for PS, underwent diagnostic work-up. A diagnosis of diffuse large B-cell lymphoma with neurolymphomatosis (NL) was made. To our knowledge, this is the first report of NL presenting as PS. NL is a possible cause of secondary PS.
MeSH terms
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Aged
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Antibodies, Monoclonal / administration & dosage
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Antibodies, Monoclonal, Murine-Derived
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Antineoplastic Combined Chemotherapy Protocols / therapeutic use*
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Cyclophosphamide / administration & dosage
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Disease-Free Survival
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Doxorubicin / administration & dosage
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Humans
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Lymphoma, Large B-Cell, Diffuse / complications*
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Lymphoma, Large B-Cell, Diffuse / diagnosis*
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Lymphoma, Large B-Cell, Diffuse / drug therapy
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Magnetic Resonance Imaging
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Male
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Neural Conduction / physiology
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Piriformis Muscle Syndrome / etiology*
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Rituximab
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Sciatica / etiology*
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Treatment Outcome
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Vincristine / administration & dosage
Substances
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Antibodies, Monoclonal
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Antibodies, Monoclonal, Murine-Derived
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Rituximab
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Vincristine
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Doxorubicin
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Cyclophosphamide