Neuroglial heterotopia of the scalp.

Heterotopic glial nodules of the scalp are non hereditary congenital malformations composed of mature brain tissue isolated from the cranial cavity. The majority of these lesions are found in the nasal region and occur rarely on the scalp. They are frequently diagnosed in newborn infants.

[Review of 32 gastro-intestinal stromal tumours with CD117 antigen].

Aim: The aim of this study is to review clinical data, histological and immunohistochemical findings and prognosis of stromal gastrointestinal tumors.

Methods: A retrospective Study of 32 cases of stromal gastrointestinal tumors diagnosed in the Department of Pathology of Mongi Slim Hospital of Tunis from 1991 to 2004.

Results: The average age of the patients was of 54.

[Lethal osteo-chondro-dysplasia: feto-pathological study of 32 cases].

Background: The lethal osteochondrodysplasias are rare, their prevalence is estimated at 1 per 10 000 births. Mostly have genetic determinism.

Aims: To describe the malformations and dysmorphic features in lethal osteochondrodysplasias

Methods: Our study involved 32 cases of lethal fetal Osteochondrodysplasias, collected over a period of 14 years in the pathological department of Sousse.