[Gastric leiomyoblastoma. Its preoperative diagnosis by echo-guided needle aspiration. A report of 2 clinical cases].

The authors report two cases of gastric leiomyoblastoma, one benign and one malignant, come to clinical observation for digestive hemorrhage; in both cases a preoperating diagnosis of benignity or malignity was made and in one case even of histotype, thanks to fine needle biopsy. After a short introduction regarding some historical notes, the predictive parameters of malignity, the classification of this rare myoid tumor, the authors discuss the distribution of the pathology in the population, the symptomatology, the diagnostic "iter" with particular regard to the needle biopsy, the surgical treatment, and the indispensable parameters for formulating a correct prognosis.

[Carcinoid of the gallbladder. A report of a clinical case treated by video laparoscopic cholecystectomy].

The authors report a clinical case of the gallbladder carcinoid tumour treated with laparoscopic cholecystectomy. After a short analysis of the classification, the malignant potentiality and the symptoms of gallbladder carcinoids, they conclude that it is possible to treat carcinoids with laparoscopic cholecystectomy, but only in some selected cases, that is to say in the absence of factors indicative of local invasion and that in the other cases it is preferable the classic surgical treatment of laparotomic resection.