link
Bookmarks
 (0)
Pediatrics
Diagnosis
Genitourinary
Congenital Urinary Tract Abnormalities
Urachal Abnormalities
Urachal Abnormalities
Sara M. O'Hara, MD, FAAP
To access 4,300 diagnoses written by the world's leading experts in radiology, please log in or subscribe.Subscribe
0
5
4
1

KEY FACTS

  • Terminology

    • Imaging

      • Clinical Issues

        TERMINOLOGY

        • Synonyms

          • Patent urachus, urachal fistula, urachal remnant, urachal cyst, urachal sinus, urachal diverticulum

        • Definitions

          • Partial or complete persistence of connection between bladder dome & umbilicus; remnant of fetal allantoic stalk

        IMAGING

        • General Features

          • Radiographic Findings

            • Fluoroscopic Findings

              • Ultrasonographic Findings

                • CT Findings

                  • MR Findings

                    • Nuclear Medicine Findings

                      • Imaging Recommendations

                        DIFFERENTIAL DIAGNOSIS

                          PATHOLOGY

                          • General Features

                            • Gross Pathologic & Surgical Features

                              • Microscopic Features

                                CLINICAL ISSUES

                                • Presentation

                                  • Demographics

                                    • Natural History & Prognosis

                                      • Treatment

                                        Selected References

                                        1. De Marco EA et al: Incidental diagnosis of giant cell tumor after urachal remnant removal in a thalassemic child. Urology. 90:170-2, 2016
                                        2. Hsieh TC et al: A mimic of intra-abdominal malignancy: physiological urinary excretion of FDG in the rare adult vesicourachal diverticulum. Clin Nucl Med. 41(6):466-8, 2016
                                        3. Stopak JK et al: Trends in surgical management of urachal anomalies. J Pediatr Surg. 50(8):1334-7, 2015
                                        4. Metwalli ZA et al: Imaging features of intravesical urachal cysts in children. Pediatr Radiol. 43(8):978-82, 2013
                                        5. Naiditch JA et al: Current diagnosis and management of urachal remnants. J Pediatr Surg. 48(10):2148-52, 2013
                                        6. Giuliani S et al: Prune belly syndrome associated with cloacal anomaly, patent urachal remnant, and omphalocele in a female infant. J Pediatr Surg. 45(11):e39-42, 2010
                                        7. Lamb BW et al: Mucinous adenocarcinoma of the urachal remnant with pseudomyxoma peritonei. Urol J. 7(2):138-9, 2010
                                        8. Copp HL et al: Clinical presentation and urachal remnant pathology: implications for treatment. J Urol. 182(4 Suppl):1921-4, 2009
                                        9. Hernandez DM et al: Persistence of an infected urachus presenting as acute abdominal pain. Case report. Arch Esp Urol. 62(7):589-92, 2009
                                        10. Iwasaki M et al: Umbilical cyst containing ectopic gastric mucosa originating from an omphalomesenteric duct remnant. J Pediatr Surg. 44(12):2399-401, 2009
                                        11. Galati V et al: Management of urachal remnants in early childhood. J Urol. 180(4 Suppl):1824-6; discussion 1827, 2008
                                        12. Al-Omar O et al: Continent urinary diversion with a urachal remnant. J Pediatr Urol. 1(5):361-3, 2005
                                        13. Nobuhara KK et al: The giant umbilical cord: an unusual presentation of a patent urachus. J Pediatr Surg. 39(1):128-9, 2004
                                        14. Ozel SK et al: An unusual presentation of patent urachus: report of a case. Eur J Pediatr Surg. 14(3):206-8, 2004
                                        15. Amano Y et al: MR imaging of umbilical cord urachal (allantoic) cyst in utero. AJR Am J Roentgenol. 180(4):1181-2, 2003
                                        16. McCollum MO et al: Surgical implications of urachal remnants: Presentation and management. J Pediatr Surg. 38(5):798-803, 2003
                                        17. Ueno T et al: Urachal anomalies: ultrasonography and management. J Pediatr Surg. 38(8):1203-7, 2003
                                        18. Cothren C et al: Urachal carcinoma: key points for the general surgeon. Am Surg. 68(2):201-3, 2002
                                        19. Yu JS et al: Urachal remnant diseases: spectrum of CT and US findings. Radiographics. 21(2):451-61, 2001
                                        20. Clapuyt P et al: Urachal neuroblastoma: first case report. Pediatr Radiol. 29(5):320-1, 1999
                                        Related Anatomy
                                        Loading...
                                        Related Differential Diagnoses
                                        Loading...
                                        References
                                        Tables

                                        Tables

                                        KEY FACTS

                                        • Terminology

                                          • Imaging

                                            • Clinical Issues

                                              TERMINOLOGY

                                              • Synonyms

                                                • Patent urachus, urachal fistula, urachal remnant, urachal cyst, urachal sinus, urachal diverticulum

                                              • Definitions

                                                • Partial or complete persistence of connection between bladder dome & umbilicus; remnant of fetal allantoic stalk

                                              IMAGING

                                              • General Features

                                                • Radiographic Findings

                                                  • Fluoroscopic Findings

                                                    • Ultrasonographic Findings

                                                      • CT Findings

                                                        • MR Findings

                                                          • Nuclear Medicine Findings

                                                            • Imaging Recommendations

                                                              DIFFERENTIAL DIAGNOSIS

                                                                PATHOLOGY

                                                                • General Features

                                                                  • Gross Pathologic & Surgical Features

                                                                    • Microscopic Features

                                                                      CLINICAL ISSUES

                                                                      • Presentation

                                                                        • Demographics

                                                                          • Natural History & Prognosis

                                                                            • Treatment

                                                                              Selected References

                                                                              1. De Marco EA et al: Incidental diagnosis of giant cell tumor after urachal remnant removal in a thalassemic child. Urology. 90:170-2, 2016
                                                                              2. Hsieh TC et al: A mimic of intra-abdominal malignancy: physiological urinary excretion of FDG in the rare adult vesicourachal diverticulum. Clin Nucl Med. 41(6):466-8, 2016
                                                                              3. Stopak JK et al: Trends in surgical management of urachal anomalies. J Pediatr Surg. 50(8):1334-7, 2015
                                                                              4. Metwalli ZA et al: Imaging features of intravesical urachal cysts in children. Pediatr Radiol. 43(8):978-82, 2013
                                                                              5. Naiditch JA et al: Current diagnosis and management of urachal remnants. J Pediatr Surg. 48(10):2148-52, 2013
                                                                              6. Giuliani S et al: Prune belly syndrome associated with cloacal anomaly, patent urachal remnant, and omphalocele in a female infant. J Pediatr Surg. 45(11):e39-42, 2010
                                                                              7. Lamb BW et al: Mucinous adenocarcinoma of the urachal remnant with pseudomyxoma peritonei. Urol J. 7(2):138-9, 2010
                                                                              8. Copp HL et al: Clinical presentation and urachal remnant pathology: implications for treatment. J Urol. 182(4 Suppl):1921-4, 2009
                                                                              9. Hernandez DM et al: Persistence of an infected urachus presenting as acute abdominal pain. Case report. Arch Esp Urol. 62(7):589-92, 2009
                                                                              10. Iwasaki M et al: Umbilical cyst containing ectopic gastric mucosa originating from an omphalomesenteric duct remnant. J Pediatr Surg. 44(12):2399-401, 2009
                                                                              11. Galati V et al: Management of urachal remnants in early childhood. J Urol. 180(4 Suppl):1824-6; discussion 1827, 2008
                                                                              12. Al-Omar O et al: Continent urinary diversion with a urachal remnant. J Pediatr Urol. 1(5):361-3, 2005
                                                                              13. Nobuhara KK et al: The giant umbilical cord: an unusual presentation of a patent urachus. J Pediatr Surg. 39(1):128-9, 2004
                                                                              14. Ozel SK et al: An unusual presentation of patent urachus: report of a case. Eur J Pediatr Surg. 14(3):206-8, 2004
                                                                              15. Amano Y et al: MR imaging of umbilical cord urachal (allantoic) cyst in utero. AJR Am J Roentgenol. 180(4):1181-2, 2003
                                                                              16. McCollum MO et al: Surgical implications of urachal remnants: Presentation and management. J Pediatr Surg. 38(5):798-803, 2003
                                                                              17. Ueno T et al: Urachal anomalies: ultrasonography and management. J Pediatr Surg. 38(8):1203-7, 2003
                                                                              18. Cothren C et al: Urachal carcinoma: key points for the general surgeon. Am Surg. 68(2):201-3, 2002
                                                                              19. Yu JS et al: Urachal remnant diseases: spectrum of CT and US findings. Radiographics. 21(2):451-61, 2001
                                                                              20. Clapuyt P et al: Urachal neuroblastoma: first case report. Pediatr Radiol. 29(5):320-1, 1999