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Psuedolymphoma syndrome.

S Halevy, E J Feuerman

    Dermatologica
    |January 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    A rare pseudolymphoma syndrome occurred after diphenylhydantoin treatment, presenting skin and gastrointestinal issues. This transient condition mimicked lymphoma but resolved, highlighting drug-induced reactions.

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    Area of Science:

    • Dermatology
    • Gastroenterology
    • Oncology

    Background:

    • Diphenylhydantoin (phenytoin) is an anticonvulsant medication with known potential side effects.
    • Drug-induced pseudolymphoma is a rare condition that mimics lymphoma but is benign and reversible.

    Observation:

    • A patient developed a transient dermatologic abnormality and gastrointestinal symptoms, including diarrhea and hepatosplenomegaly.
    • Histologic examination of the skin lesion was compatible with malignant lymphoma.
    • Lymph nodes were enlarged but lacked histopathological changes, suggesting reticuloendothelial system involvement.

    Findings:

    • The patient's symptoms emerged one year after discontinuing a two-year course of diphenylhydantoin.
    • The clinical presentation and histologic findings resolved spontaneously, indicating a non-malignant process.

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  • The temporal association with diphenylhydantoin therapy strongly suggests a drug-induced etiology.

    • Implications:

    • This case highlights the importance of considering drug-induced pseudolymphoma in the differential diagnosis of lymphoma-like conditions.
    • Discontinuation of the offending drug (diphenylhydantoin) can lead to complete resolution of symptoms.
    • Awareness of this syndrome is crucial for accurate diagnosis and appropriate patient management, avoiding unnecessary aggressive treatments.