Vitamin D Intoxication and Nephrocalcinosis in a Young Breastfed Infant.

Numerous studies were performed assessing the benefits and side effects of vitamin D. Vitamin D helps in regulating the calcium and phosphate metabolism leading to a healthy mineral and bone development. Vitamin D intoxication is an uncommon event that leads to hypercalcemia which can be associated with both immediate and late morbidities that can cause severe renal complications.

Clinical pathologic study of a cohort of patients with retinoblastoma from a developing country.

Purpose: To describe the histopathologic characteristics of all retinoblastoma biopsy specimens received at one institution.

Methods: All retinoblastoma biopsy specimens received between January 2000 and December 2005 were evaluated and a total of 109 eyes from 101 patients were studied.

Results: There were 9 (8.

Extranodal Rosai-Dorfman Disease presenting as an epibulbar tumor.

Purpose: To describe a case of an epibulbar tumor as a manifestation of Rosai-Dorfman Disease (RDD) and review the pertinent literature.

Methods: This was an interventional case report and literature review. A 19-year-old African-Brazilian man was referred for evaluation of a 12 x 11-mm subconjunctival mass at the temporal limbus OD.

Epithelioid hemangioma (angiolymphoid hyperplasia with eosinophilia) of the orbit: a case report.

Background: Angiolymphoid hyperplasia with eosinophilia (ALHE) and Kimura's Disease (KD) share many clinical and histopathological features. Although they were once considered different stages of the same disease, they are now known to represent separate entities. Recently, ALHE is being called epithelioid hemangioma (EH), a term that better describes the possible neoplastic nature of the entity.

Report of two cases of ciliary body mesectodermal leiomyoma: unique expression of neural markers.

Objective: Mesectodermal leiomyoma of the ciliary body is a rare tumor with, to our knowledge, only 15 cases reported in the literature. It has a neural histopathologic appearance and a presumed origin from neural crest.

Design: Case report.