Castell's sign
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Castell's sign[1] is a medical sign assessed to evaluate splenomegaly and typically part of an abdominal examination. It is an alternative physical examination maneuver to Traube's sign.
It involves percussion in the lowest intercostal space on the left, with the patient in inspiration and expiration. If inspiration causes the tone to shift from tympanic to dull, it suggests splenomegaly, which may not be palpable (sensitivity and specificity of approximately 80%).[2]
[edit] Reference
- ^ Castell DO. The spleen percussion sign. A useful diagnostic technique. Ann Intern Med. 1967 Dec;67(6):1265-7. PMID 6061941.
- ^ Grover S, Barkun A, Sackett D (1993). "The rational clinical examination. Does this patient have splenomegaly?". JAMA 270 (18): 2218-21. PMID 8411607.
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