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[Pulmonary arteriovenous aneurysm].

G Nouvet, P David, J P Duhamel

    Le Poumon Et Le Coeur
    |January 1, 1983
    PubMed
    Summary
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    A large pulmonary angioma caused significant shunt, hypoxia, and polycythemia, leading to a cerebral abscess. Surgical removal of the lung lesion corrected hypoxia, highlighting the importance of diagnosing visceral angiomas.

    Area of Science:

    • Vascular Surgery
    • Neurology
    • Pulmonology

    Background:

    • Pulmonary arteriovenous malformations (PAVMs) are rare vascular anomalies.
    • They can cause significant intrapulmonary shunting, leading to hypoxia and polycythemia.
    • Neurological complications are known but uncommon presentations.

    Observation:

    • A 27-year-old male presented with a cerebral abscess.
    • Diagnostic workup revealed a large arteriovenous aneurysm in the right upper lobe, causing a 30% shunt.
    • The PAVM was initially undiagnosed and discovered during the investigation of the neurological issue.

    Findings:

    • Surgical excision of the right upper lobe was performed after treatment of the cerebral abscess.
    • Immediate and complete correction of hypoxia was observed post-operatively.

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  • This case underscores the link between PAVMs and neurological sequelae.

    • Implications:

    • Pulmonary angiomas can present with atypical neurological symptoms, necessitating thorough investigation.
    • Visceral angiomas, particularly PAVMs, should be considered in the differential diagnosis of unexplained hypoxia or neurological events.
    • Recognition of potential Rendu-Osler disease, with its familial implications, can aid in early diagnosis and management.