Wayne Gold, MD; Hillar Vellend, MD; James Brunton, MD
The radiographic air crescent sign is seen in several clinical conditions (1, 2). Angioinvasive aspergillosis is the most common cause of this sign in the immunocompromised host (3, 4). We report the case of a patient with acute lymphoblastic leukemia who developed the air crescent sign as a result of Staphylococcus aureus lung infection.
A previously healthy 18-year-old man presented in August 1991 with a 3-month history of fatigue; in addition, during the 3 weeks before presentation, he experienced headache, bruising, and a 4.5-kg weight loss. Physical examination revealed widespread ecchymoses of the upper and lower extremities, generalized
Gold W, Vellend H, Brunton J. The Air Crescent Sign Caused by Staphylococcus aureus Lung Infection in a Neutropenic Patient with Leukemia. Ann Intern Med. 1992;116:910–911. doi: 10.7326/0003-4819-116-11-910
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Published: Ann Intern Med. 1992;116(11):910-911.
Hematology/Oncology, Infectious Disease, Leukemia/Lymphoma.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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