We present 8 examples of a neoplasm with features of both astrocytoma and ependymoma
that may represent a distinct clinicopathologic entity. The cerebral hemispheric tumors …

Abstract Evaluation of rectal biopsies for ganglion cells is performed for patients suspected
of having Hirschsprung disease. At times, identification of ganglion cells can be difficult, …

The category of mixed glioneuronal tumors of the CNS is rapidly losing its definition as
encompassing tumors composed of histologically distinct neuron variants and glia. We …

Central neurocytomas are rare intraventricular tumors. Patients with such tumors have a
favorable prognosis after surgical removal. These tumors may be misdiagnosed as …

Sebaceous neoplasms arising in dermoid cysts of the ovary are exceedingly rare. We report
a well-differentiated sebaceous carcinoma arising in a dermoid cyst in a 39-year-old female …

Aspergillus fumigatus is a life-threatening and increasingly frequent pathogen of the
immunocompromised. Like other filamentous fungi A. fumigatus grows in a highly polar manner, …

OBJECTIVE AND IMPORTANCE: Composite pleomorphic xanthoastrocytoma (PXA)-ganglioglioma
(GG) is a recently recognized, rare type of neoplasm that most commonly presents …

✓ Immature teratomas arising within the central neuraxis are rare neoplasms. These tumors
contain diverse cell lineages that retain an embryonal character and display phenotypic …

Detection and characterization of distinct central nervous system (CNS) tumor cell types is
clinically important since distinct tumor types are associated with different prognoses and …

Apposition of the neural retina and pigment epithelium is critical to photoreceptor development
and function. Interphotoreceptor retinoid-binding protein (IRBP) is a major component of …