[A rare odontogenic calcifying epithelial tumor, or Pindborg tumor. Report of a clinical case nd review of the literature]. / Raro tumore odontogeno epiteliale calcificante o tumore di Pindborg. Presentazione di un caso clinico e revisione della letteratura.

Clinical, histological and embryogenetic features of calcifying epithelial odontogenic tumor or Pindborg's tumor are described. A case of Pindborg's tumor in the molar region of the right mandible in a 66 year old male patient is presented. Standard X-ray examinations and CT scan were performed in order to obtain information about tumor's size. The histologic features revealed the presence of a homogeneous substance resembling amyloid and many cells filled by calcified material in the form of concentric Liesegang's rings. Treatment methods are also discussed.

Congenital hypopituitarism in a 48-year old adult. Natural course, hormonal study and MRI evidence.

A case of Congenital Hypopituitarism (CH) in an untreated 48 yr-old-man is reported. The hormonal studies demonstrated a panhypopituitarism and MR imaging revealed absence of pituitary stalk, small anterior pituitary remnant on the sella floor and ectopic neurohypophysis at the tuber cinereum. The pattern of hormonal responsiveness suggests that CH encompasses findings typical of primary anterior pituitary disease and those of hypothalamic dysfunction.

Congenital hypopituitarism in a 48-year old adult. Natural course, hormonal study and MRI evidence.

A case of Congenital Hypopituitarism (CH) in an untreated 48 yr-old-man is reported. The hormonal studies demonstrated a panhypopituitarism and MR imaging revealed absence of pituitary stalk, small anterior pituitary remnant on the sella floor and ectopic neurohypophysis at the tuber cinereum. The pattern of hormonal responsiveness suggests that CH encompasses findings typical of primary anterior pituitary disease and those of hypothalamic dysfunction.

[Aging of the aorta: a morphological study]. / L'invecchiamento dell'aorta: studio morfologico.

Aim of this study was to evaluate the aging of aorta with respect to atherosclerotic modifications: abdominal aorta echotomography is the preferred approach for this study. In 354 elderly patients, 65 and over, we have evaluated the diameter and the course of the aorta, the presence of atherosclerotic plaques in the aorta and iliac vessels, and the presence of aneurysms. Two kinds of findings could be identified by echotomography: age-related physiologic modifications, represented essentially by an increase of the aortic diameter; pathologic changes, characteristic for atherosclerosis, of which aneurysms are the most dangerous complications.

[Longevity in tetralogy of Fallot. The natural history of a 63-year-old man living without surgery]. / Longevità nella tetralogia di Fallot. Storia naturale di un 63enne vivente senza chirurgia.

We report the natural history, the clinical, radiological, echocardiographic and hemodynamic pattern of a living sixty-three year old man with tetralogy of Fallot and cyanosis since birth. We discuss the possible circulatory adaptations which allowed exceptional survival up to the seventh decade: it is the sixth case reported in the literature.

[Destructive endocarditis caused by Streptococcus sanguis on normal valves after gastroduodenoscopy]. / Endocardite destruente da Streptococcus sanguis su valvole sane dopo gastroduodenoscopia.

In recent years, epidemiological and clinical patterns in infective endocarditis are changed: mean age of patients, sex, underlying cardiac diseases, source of bacteremia, availability of better diagnostic methods--specially two-dimensional and doppler echocardiography--and surgical options. The Authors report a paradigmatic case of a young man without cardiac disease, who developed a destructive endocarditis complicated by refractory congestive heart failure; the cause was an organism of low pathogenicity, Streptococcus sanguis, that entered the bloodstream after gastroduodenoscopy.