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Congenital malformation of nasal septum — Clinical Guidelines

Overview

Urorectal septum malformation (URSM) sequence is a rare congenital anomaly characterized by complex malformations involving the urorectal septum, leading to defects such as imperforate anus, ambiguous genitalia, and renal anomalies. 1 2

Diagnosis

Key Diagnostic Criteria: Ambiguous genitalia, absence or malformation of perineal and anal openings, imperforate anus, and associated renal anomalies including agenesis, dysplasia, and hypoplasia. 1 2

Recommended Tests:

- Imaging: Ultrasound and MRI to assess renal anomalies and structural defects. - Genetic Testing: Consideration for genetic evaluation to explore potential underlying causes.

Grading: Classification into full and partial sequences based on the extent of anomalies. 2

Management

First-Line Treatments:

- Surgical Interventions: Reconstruction surgeries for anal atresia and genital anomalies as indicated. - Renal Management: Addressing renal anomalies with appropriate pediatric nephrology care, including dialysis or transplantation if necessary.

Adjunctive Treatments:

- Supportive Care: Multidisciplinary approach including neonatology, urology, and genetics. - Nutritional Support: Early intervention for feeding difficulties due to gastrointestinal anomalies.

Special Populations

Pediatrics: Focus on early surgical interventions and comprehensive multidisciplinary care to address multiple system anomalies. 1 2

Comorbidities: High prevalence of renal anomalies requiring specialized pediatric nephrology follow-up. 1

Key Recommendations

Early Multidisciplinary Evaluation is crucial for patients with suspected URSM sequence to address multiple system anomalies comprehensively. (Evidence: Expert opinion) 2

Surgical Reconstruction should be considered promptly for anal atresia and genital anomalies to improve outcomes. (Evidence: Moderate) 1

Renal Function Monitoring is essential due to the high incidence of renal anomalies, necessitating pediatric nephrology involvement. (Evidence: Moderate) 1

References

1 Jain D, Sharma MC, Kulkarni KK, Aggrawal S, Karak AK. Urorectal septum malformation sequence: a report of seven cases. Congenital anomalies 2008. link 2 Chien JC, Chen SJ, Tiu CM, Chen YJ, Hwang B, Niu DM. Is urorectal septum malformation sequence a variant of the vertebral defects, anal atresia, tracheo-oesophageal fistula, renal defects and radial dysplasia association? Report of a case and a review of the literature. European journal of pediatrics 2005. link

Congenital malformation of nasal septum