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• W1989040839 abstract "No AccessJournal of UrologyPEDIATRIC UROLOGY1 Nov 2001CONGENITAL PREPUBIC SINUS: A VARIANT OF DORSAL URETHRAL DUPLICATION SUGGESTED BY IMMUNOHISTOCHEMICAL ANALYSIS CHAO-CHENG HUANG, WANG-HSENG WU, CHEE-YIN CHAI, TZYY-CHOOU WU, and JIIN-HAUR CHUANG CHAO-CHENG HUANGCHAO-CHENG HUANG More articles by this author , WANG-HSENG WUWANG-HSENG WU More articles by this author , CHEE-YIN CHAICHEE-YIN CHAI More articles by this author , TZYY-CHOOU WUTZYY-CHOOU WU More articles by this author , and JIIN-HAUR CHUANGJIIN-HAUR CHUANG More articles by this author View All Author Informationhttps://doi.org/10.1016/S0022-5347(05)65711-4AboutFull TextPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail Abstract Purpose: Congenital prepubic sinus is a rare disorder of uncertain etiology. Immunohistochemical staining is used to elucidate the etiology of the sinus. Materials and Methods: We treated 5 patients with congenital prepubic sinus. A sinogram delineated the tract, which was then excised. In addition to routine hematoxylin and eosin stain of the 5 specimens, immunohistochemical analysis was also performed with smooth muscle and sarcomeric actin, high (34βE12) and low molecular weight cytokeratin (35βH11), and cytokeratin 7 antibodies. Results: The 2 females and 3 males were 1 month to 14 years old. All patients had presented with purulent discharge from the sinus opening. Hematoxylin and eosin stain demonstrated transitional and squamous epithelium lining the sinus. Immunohistochemical study showed that the stain with 3 cytokeratin antibodies was moderately to strongly positive in all patients at the proximal end, low molecular weight cytokeratin weakly to moderately positive and cytokeratin 7 weakly positive to negative in 4 at the distal end. The results suggested that the lining epithelium was transitional proximally and squamous distally. An exception was a female patient who had the shortest tract lined with squamous epithelium only. Furthermore, smooth muscle but not sarcomeric actin demonstrated smooth muscle bundles around the sinus tract in 4 patients. Conclusions: The existence of transitional epithelium in the proximal part of the sinus and presence of smooth muscle bundles around it reinforce the theory that congenital prepubic sinus is a variant form of dorsal urethral duplication. References 1 : Congenital prepubic sinus: possible variant of dorsal urethral duplication (Stephens type 2). J Urol1987; 137: 505. Link, Google Scholar 2 : Congenital prepubic sinus. J Pediatr Surg1990; 25: 1301. Google Scholar 3 : Prepubic sinus: an unusual urachal remnant. Br J Surg1992; 79: 573. Google Scholar 4 : Congenital prepubic sinus. Eur J Pediatr Surg1994; 4: 119. Google Scholar 5 : Congenital prepubic sinus. Pediatr Surg Int1994; 9: 287. Google Scholar 6 : Prepubic dermoid sinus: possible variant of dorsal urethral duplication (Stephens type 3). J Pediatric Surg1993; 28: 1610. Google Scholar 7 : Congenital prepubic sinus: possible variant of dorsal urethral duplication. Eur J Pediatr Surg1998; 8: 380. Google Scholar 8 : Congenital prepubic sinus: a form of dorsal duplication. Br J Urol1997; 80: 964. Google Scholar 9 : The Developing Human—Clinically Oriented Embryology. Philadelphia: W. B. Saunders Co.1993: 277. Google Scholar 10 : Textbook of Histology, 5th ed. Philadelphia: W. B. Saunders Co.1985: 434. Google Scholar 11 : Use of monoclonal antibodies to keratin 7 in the differential diagnosis of adenocarcinomas. Am J Pathol1990; 136: 641. Google Scholar 12 : A series of 14 new monoclonal antibodies to keratins: characterization and value in diagnostic histopathology. J Pathol1991; 164: 215. Google Scholar 13 : The applicability of a keratin 7 monoclonal antibody in routinely Papanicolaou-stained cytologic specimens for the differential diagnosis of carcinomas. Am J Clin Pathol1994; 101: 257. Google Scholar From the Departments of Pathology and Pediatric Surgery, Chang Gung Memorial Hospital and Children’s Hospital at Kaohsiung, Taiwan, and Departments of Pathology, Obstetrics and Gynecology, Oncology, Molecular Microbiology and Immunology, The Johns Hopkins Medical Institutions, Baltimore, Maryland© 2001 by American Urological Association, Inc.FiguresReferencesRelatedDetails Volume 166Issue 5November 2001Page: 1876-1879 Advertisement Copyright & Permissions© 2001 by American Urological Association, Inc.KeywordskeratinurotheliumimmunohistochemistrydesminMetricsAuthor Information CHAO-CHENG HUANG More articles by this author WANG-HSENG WU More articles by this author CHEE-YIN CHAI More articles by this author TZYY-CHOOU WU More articles by this author JIIN-HAUR CHUANG More articles by this author Expand All Advertisement PDF downloadLoading ..." @default.
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• W1989040839 title "CONGENITAL PREPUBIC SINUS: A VARIANT OF DORSAL URETHRAL DUPLICATION SUGGESTED BY IMMUNOHISTOCHEMICAL ANALYSIS" @default.
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