definitionA hair-containing cyst or sinus, occurring chiefly in the coccygeal region. |
synonymsPilonidal Sinus, Coccygeal Sinus, Hair-Nest Sinus |
UMLSCoccygeal fistula, CYST, PILONIDAL, Cysts, Pilonidal, Piliferous cyst, Pilliferous cyst, Pilonidal Cyst, Pilonidal cyst without mention of abscess, Pilonidal cyst, NOS, Pilonidal Cysts, Pilonidal fistula, Pilonidal Sinus, Sinus, pilonidal |
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