Taber's Medical Dictionary
Coopernail sign
(koop′ĕr-nāl″ )
[George L. Coopernail, U.S. surgeon, 1876-1962]
Bruising of the skin of the perineum, scrotum, or labia. It is considered indicative of a pelvic fracture.
Citation
Venes, Donald, editor. "Coopernail Sign." Taber's Medical Dictionary, 25th ed., F.A. Davis Company, 2025. Taber's Online, www.tabers.com/tabersonline/view/Tabers-Dictionary/761223/0/Coopernail_sign.
Coopernail sign. In: Venes DD, ed. Taber's Medical Dictionary. F.A. Davis Company; 2025. https://www.tabers.com/tabersonline/view/Tabers-Dictionary/761223/0/Coopernail_sign. Accessed April 27, 2026.
Coopernail sign. (2025). In Venes, D. (Ed.), Taber's Medical Dictionary (25th ed.). F.A. Davis Company. https://www.tabers.com/tabersonline/view/Tabers-Dictionary/761223/0/Coopernail_sign
Coopernail Sign [Internet]. In: Venes DD, editors. Taber's Medical Dictionary. F.A. Davis Company; 2025. [cited 2026 April 27]. Available from: https://www.tabers.com/tabersonline/view/Tabers-Dictionary/761223/0/Coopernail_sign.
* Article titles in AMA citation format should be in sentence-case
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T1 - Coopernail sign
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PB - F.A. Davis Company
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