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Neonatal Med > Volume 22(1); 2015 > Article
Neonatal Medicine 2015;22(1):40-47.
DOI:    Published online February 28, 2015.
Intraspinal and Urogenital Abnormalities in Infants with Sacral Cutaneous Lesions.
Yu Seon Kim, Da Hee Jin, Jeong Hee Shin, Eun Hee Lee, Byung Min Choi, Young Sook Hong, Bo Gyeong Je
1Department of Pediatrics, Korea University College of Medicine, Seoul, Korea.
2Department of Radiology, Korea University College of Medicine, Seoul, Korea.
Sacral cutaneous lesions, such as dimples and hairy patches, may be associated with occult spinal dysraphism and urogenital abnormalities. This study aim to delineate high risk infants who need early screening for intraspinal and urogenital abnormalities by identifying the association between cutaneous lesions and combined abnormalities.
Sacral ultrasonography was performed in 777 infants with sacral cutaneous lesions from January 2010 to July 2014. Of these, 317 infants underwent abdominal ultrasonography for urogenital abnormalities. We reviewed the patient's medical records and radiographic findings retrospectively.
Of the 777 infants, abnormal intraspinal findings such as tethered cord or meningocele were reported in 26 (3.4%). Sixteen of these 26 patients with abnormal findings underwent follow-up ultrasonography or MRI; 4 infants were diagnosed with lipomeningomyelocele through MRI, and 1 infant underwent a neurosurgical procedure. Among the 317 infants who underwent abdominal ultrasonography, 78 infants (24.6%) had congenital hydronephrosis and 8 infants (2.5%) had other urogenital abnormalities including duplication of kidney, vesicoureteral reflux, horseshoe kidney, renal cyst, or multicystic dysplastic kidney. Urogenital abnormalities were more common in patients with sacral dimples associated with hair or deviated gluteal folds than in those with simple dimples (OR 3.24 and 8.88; P=0.007 and P=0.001, respectively).
Midline sacral cutaneous lesions may be associated with occult spinal dysraphism and urogenital abnormalities. To detect intraspinal lesions, ultrasonography is recommended for infants with sacral cutaneous lesions. Likewise, infants with sacral dimples associated with either hair or deviated gluteal folds, should be evaluated via abdominal ultrasonography to assess for combined urogenital abnormalities.
Key Words: Occult spinal dysraphism; Cutaneous lesions; Urogenital abnormality; Ultrasonography
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