[Extramedullary intracranial solitary plasmocytoma. Report of 2 cases].

Multiple myeloma frequently affects the C.N.S with a high prevalence of spinal cord compression following vertebral neoplastic infiltration.

Comparison of hemp and cotton fiber implants in muscle rat tissue. Study of the inflammatory response.

Hemp fiber is obtained from the plant Musa textilis. The cost of preparation of its raw fibers is low. The purpose of this paper was to compare the inflammatory response in the rat muscle tissue originated by both hemp and cotton fibers.

[A leiomyosarcoma of vascular origin. A case report].

Leiomyosarcomas arising from the wall of the blood vessels, are highly malignant tumours. Although 75% of the cases have been reported in the inferior vena cava, nevertheless scanty mention is made in the literature of an analogous tumor originating from smaller blood vessels. This paper deals with a 53-year-old man with a tumor in the right axilla.

The Peutz-Jeghers syndrome. Case reports.

Two additional cases of Peutz-Jeghers syndrome are described. One of them, a 19 year-old female, is a sporadic case, whereas in the other case, also a 19 year-old female, there are two members of the family with the Peutz-Jeghers syndrome. A review of some salient features of this entity is made.

[Granular cell tumor of the vulva].

Granular cell tumor is a relatively uncommon entity of unknown etiology and uncertain histogenesis. A case of granular cell tumor of the vulva is presented with a discussion of the clinical features, pathological characteristics and the histogenic theories of its origin.

[Single diverticulum of perforated cecum. Report of 5 cases].

Cecal diverticulitis is a relatively rare disease, which closely mimics the picture of acute appendicitis. At times it is difficult to differentiate from carcinoma. Five cases of cecal diverticulitis are reported, with a discussion of some salient features of this condition.

Transfacial surgical treatment and anthropometric considerations of frontoethmoidal meningoencephaloceles.

Meningoencephaloceles and meningoceles are projections of the meninges with or without cerebral tissue, respectively, through a cranial bony defect. Generally, meningoceles are soft and depressible, whereas meningoencephaloceles are solid and pulsatile. They can present through the calvarium or facial bones.