Abdominal Mass

	An intravenous pyelography (IVP) showed hydroneprosis of left kidney
	Hydroneprosis, operative finding
	Hydroneprosis, operative finding
	Multicystic kidney, gross pathology revealed multiloculated cyst involved the whole kidney
	Multicystic kidney detected by ultrasonography, transverse section
	Ureteropelvic junction (UPJ) obstruction on the right side detected by intravenous pyelography
	Operative finding of ureteropelvic junction obstruction, dilated pelvis with normal size ureter (on sling) is noted
	Ureteropelvic junction (UPJ) obstruction with severe hydronephrosis, gross finding of resected specimen
	Ovarian cyst, operative finding
	Ovarian cyst in newborn