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The urachus is an embryonic structure that persists after birth in some individuals and can cause various problems. We report a case of an inflamed urachal cyst filled with a thick yellow fluid and several calculi in a woman with a 1-month history of dysuria. Physical examination revealed a fist-sized tumor located infraumbically in the midline. The patient's erythrocyte sedimentation rate was elevated; the results of all other routine laboratory studies were normal. Sonography showed a regularly shaped, ovoid, hypoechoic cystic area in the abdominal wall measuring 8 x 4 x 3 cm and containing several hyperechoic masses associated with acoustic shadowing. The wall of the cyst was inhomogeneous, and a thin hypoechoic linear tract linked the superior aspect of the mass to the umbilicus. The results of excretory urography, voiding cystography, and cystoscopy excluded an abnormality of the urinary system. A urachal cyst was diagnosed, and the mass was surgically removed. The surgical specimen was sent for histopathologic analysis, which confirmed the diagnosis.

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Key wordsnewborn, status epilepticus, total parenteral nutrition, umbilical cutdown.Central venous catheterization is commonly used for providing total parental nutrition (TPN) in infants who cannot be fed enterally. 1,2 Complications of TPN, both metabolic and catheter-related, are well known. 3-6 A case of a neonatal status epilepticus as a complication of the subarachnoidal content of TPN regimen, to our knowledge, has not been previously reported.

We report the case of a neonate with selective IgA deficiency and multiple brain abscesses diagnosed with sonography. Brain sonography revealed multiple abscesses in the left hemisphere; the abscesses ranged from 10 to 20 mm. Cultures obtained from the cerebrospinal fluid and blood were positive for Proteus mirabilis. The neonate responded promptly to broad-spectrum antibiotic therapy and had no neurologic sequelae. Because IgA deficiency is associated with infections, we believe it was a predisposing factor for the brain abscesses.