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Junctional Cortical Defect
Amir A. Borhani, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          TERMINOLOGY

          • Abbreviations

            • Junctional parenchymal defect (JPD)
          • Synonyms

            • Junctional parenchymal defect, interrenicular septum, junctional line
          • Definitions

            • Normal-variant line at plane of embryologic fusion of renunculi (embryologic elements forming kidneys)
              • Invagination of perirenal fat through this defect results in wedge-shaped appearance

          IMAGING

          • General Features

            • CT Findings

              • MR Findings

                • Ultrasonographic Findings

                  • Imaging Recommendations

                    DIFFERENTIAL DIAGNOSIS

                      PATHOLOGY

                      • General Features

                        CLINICAL ISSUES

                        • Demographics

                          • Natural History & Prognosis

                            Selected References

                            1. Pedrosa I et al: MR imaging of renal masses: Correlation with findings at surgery and pathologic analysis. RadioGraphics 28:985-1003; 2008
                            2. Currarino G et al: The Oddono's sulcus and its relation to the renal "junctional parenchymal defect" and the "interrenicular septum". Pediatr Radiol. 27(1):6-10, 1997
                            3. Kenney IJ et al: The renal parenchymal junctional line in children: ultrasonic frequency and appearances. Br J Radiol. 60(717):865-8, 1987
                            4. Carter AR et al: The junctional parenchymal defect: a sonographic variant of renal anatomy. Radiology. 154(2):499-502, 1985
                            5. Hoffer FA et al: The interrenicular junction: a mimic of renal scarring on normal pediatric sonograms. AJR Am J Roentgenol. 145(5):1075-8, 1985
                            6. Dalla Palma L et al: Advances in radiological anatomy of the kidney. Br J Radiol. 55(654):404-12, 1982
                            7. Dalla Palma L et al: Parenchymal architecture and morphology of the pelvis. Br J Radiol. 55(660):885-90, 1982
                            Related Anatomy
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                            Related Differential Diagnoses
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                            References
                            Tables

                            Tables

                            KEY FACTS

                            • Terminology

                              • Imaging

                                • Top Differential Diagnoses

                                  • Pathology

                                    TERMINOLOGY

                                    • Abbreviations

                                      • Junctional parenchymal defect (JPD)
                                    • Synonyms

                                      • Junctional parenchymal defect, interrenicular septum, junctional line
                                    • Definitions

                                      • Normal-variant line at plane of embryologic fusion of renunculi (embryologic elements forming kidneys)
                                        • Invagination of perirenal fat through this defect results in wedge-shaped appearance

                                    IMAGING

                                    • General Features

                                      • CT Findings

                                        • MR Findings

                                          • Ultrasonographic Findings

                                            • Imaging Recommendations

                                              DIFFERENTIAL DIAGNOSIS

                                                PATHOLOGY

                                                • General Features

                                                  CLINICAL ISSUES

                                                  • Demographics

                                                    • Natural History & Prognosis

                                                      Selected References

                                                      1. Pedrosa I et al: MR imaging of renal masses: Correlation with findings at surgery and pathologic analysis. RadioGraphics 28:985-1003; 2008
                                                      2. Currarino G et al: The Oddono's sulcus and its relation to the renal "junctional parenchymal defect" and the "interrenicular septum". Pediatr Radiol. 27(1):6-10, 1997
                                                      3. Kenney IJ et al: The renal parenchymal junctional line in children: ultrasonic frequency and appearances. Br J Radiol. 60(717):865-8, 1987
                                                      4. Carter AR et al: The junctional parenchymal defect: a sonographic variant of renal anatomy. Radiology. 154(2):499-502, 1985
                                                      5. Hoffer FA et al: The interrenicular junction: a mimic of renal scarring on normal pediatric sonograms. AJR Am J Roentgenol. 145(5):1075-8, 1985
                                                      6. Dalla Palma L et al: Advances in radiological anatomy of the kidney. Br J Radiol. 55(654):404-12, 1982
                                                      7. Dalla Palma L et al: Parenchymal architecture and morphology of the pelvis. Br J Radiol. 55(660):885-90, 1982