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Inguinal dermoid cyst presenting as an incarcerated inguinal hernia. 1992

R Leeming, and M Olsen, and J L Ponsky
Department of Surgery, Mt Sinai Medical Center, Cleveland, OH 44106-4198.

A case of an inguinal dermoid cyst presenting as an incarcerated inguinal hernia in a 18-year-old boy is reported. A differential diagnosis of masses in the inguinal region is discussed and includes not only hernias but also gynecologic and vascular lesions. Dermoid cysts must be included in the differential diagnosis. Histologically, these cysts are characterized by an external lining composed of squamous epithelium with an underlying fibroconnective tissue containing hair follicles, sebaceous, eccrine, and apocrine glands. The presence of all the skin appendages in these cysts distinguishes them from epidermoid and sebaceous cysts. The lack of structures foreign to skin differentiates them from dermoids (benign cystic teratomas) in the ovarian, testicular, retroperitoneal, and sacrococcygeal region.

UI MeSH Term Description Entries
D007264 Inguinal Canal The tunnel in the lower anterior ABDOMINAL WALL through which the SPERMATIC CORD, in the male; ROUND LIGAMENT, in the female; nerves; and vessels pass. Its internal end is at the deep inguinal ring and its external end is at the superficial inguinal ring. Inguinal Ring,Canal, Inguinal,Canals, Inguinal,Inguinal Canals,Inguinal Rings,Ring, Inguinal,Rings, Inguinal
D008297 Male Males
D003884 Dermoid Cyst A tumor consisting of displaced ectodermal structures along the lines of embryonic fusion, the wall being formed of epithelium-lined connective tissue, including skin appendages, and containing keratin, sebum, and hair. (Stedman, 25th ed) Dermoid,Cyst, Dermoid,Cysts, Dermoid,Dermoid Cysts,Dermoids
D003937 Diagnosis, Differential Determination of which one of two or more diseases or conditions a patient is suffering from by systematically comparing and contrasting results of diagnostic measures. Diagnoses, Differential,Differential Diagnoses,Differential Diagnosis
D006552 Hernia, Inguinal An abdominal hernia with an external bulge in the GROIN region. It can be classified by the location of herniation. Indirect inguinal hernias occur through the internal inguinal ring. Direct inguinal hernias occur through defects in the ABDOMINAL WALL (transversalis fascia) in Hesselbach's triangle. The former type is commonly seen in children and young adults; the latter in adults. Inguinal Hernia,Inguinal Hernia, Direct,Inguinal Hernia, Indirect,Direct Inguinal Hernia,Direct Inguinal Hernias,Hernia, Direct Inguinal,Hernia, Indirect Inguinal,Hernias, Direct Inguinal,Hernias, Indirect Inguinal,Hernias, Inguinal,Indirect Inguinal Hernia,Indirect Inguinal Hernias,Inguinal Hernias,Inguinal Hernias, Direct,Inguinal Hernias, Indirect
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000008 Abdominal Neoplasms New abnormal growth of tissue in the ABDOMEN. Abdominal Neoplasm,Neoplasm, Abdominal,Neoplasms, Abdominal
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths

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