case_images: PMC4862292_01
case_images: Computed tomography imaging showing hyperdense hemorrhagic lesion in the left temporal horn of lateral ventricle with hemorrhage in left lateral ventricle
case_images: JPN-11-61-g001.jpg
case_images: PMC4862292_01_JPN-11-61-g001.jpg
case_images: F1
case_images: Computed tomography (CT) imaging showed hyperdense lesion measuring 3.6 cm x 3 cm in the left temporal horn of lateral ventricle [Figure 1] with features suggestive of left temporal horn hemorrhagic space occupying lesion with hemorrhage in left lateral ventricle. Contrast-enhanced CT angiography showed evidence of well-defined, strongly homogenous, enhancing polypoidal intraventricular mass lesion measuring approximately 30 mm x 38 mm x 33 mm in anterior-posterior, transverse, and craniocaudal axis, respectively, in temporal horn of left lateral ventricle with punctuate calcification and intense homogenous enhancement in arterial phase with persistent enhancement in venous phase.
case_images: Contrast-enhanced angiography showing evidence of well-defined, strongly homogenous, enhancing polypoidal intraventricular mass lesion both in arterial phase and venous phase with hemorrhage in left lateral ventricle
case_images: JPN-11-61-g002.jpg
case_images: PMC4862292_01_JPN-11-61-g002.jpg
case_images: F2
case_images: Evidence of mild to moderate dilatation of ventricles with intraventricular hemorrhage in left lateral ventricle was seen [Figure 2].
case_images: A cauliflower-like vascular mass in the temporal horn of lateral ventricle with an attachment to the choroid plexus
case_images: JPN-11-61-g003.jpg
case_images: PMC4862292_01_JPN-11-61-g003.jpg
case_images: F3
case_images: A cauliflower-like mass was observed in the temporal horn of lateral ventricle with an attachment to the choroid plexus of the lateral ventricle which was vascular and nonaspirable [Figure 3].
case_images: Noncontrast computed tomography showing dilated both lateral, third and fourth ventricles suggestive of moderate communicating hydrocephalus
case_images: JPN-11-61-g004.jpg
case_images: PMC4862292_01_JPN-11-61-g004.jpg
case_images: F4
case_images: A repeat noncontrast CT showed evidence of small extra-axial hypodense cerebrospinal fluid (CSF) attenuating area overlying frontotemporal lobe suggestive of subdural hygroma, dilated both lateral, third and fourth ventricles suggestive of moderate communicating hydrocephalus with evidence of bilateral cerebellar hemisphere encephalomalacia [Figure 4].
case_images: (a) Papillary fronds lined by single layer of cells (H and E, x40). (b) Delicate fibrovascular connective tissue fronds covered by single layer of uniform cuboidal to columnar epithelial cells with round to oval, basally situated nuclei (H and E, x200)
case_images: JPN-11-61-g005.jpg
case_images: PMC4862292_01_JPN-11-61-g005.jpg
case_images: F5
case_images: Histopathological examination was consistent with the diagnosis of CPP [Figure 5].