[Quality control in pathology: prospective peer review on routine cases]. / Garanzia di qualità in anatomia patologica: studio prospettico simultaneo su casi di routine.

To describe a prospective method of quality assurance adjusted to an ideal group of pathologists, easily feasible in routine surgical pathology. The Authors examined the same slides (EE) independently and without time-limits. In the same session the individual diagnosis were compared and discussed in order to provide only one conclusive diagnoses. After the discussion, diagnostic agreement is 100%. Peer and simultaneous review yields sufficient benefits in increasing the accuracy of diagnostic reports. It stimulates discussion of diagnostic criteria and terminology, creates more uniform reports, and serves as an educational vehicle for pathologists.

Ultrasound features of ectopic cervical thymus in a child.

A case of ectopic cervical thymus in a child is reported. Clinical and diagnostic aspects of this condition are discussed.

[Lymph node inflammatory pseudotumor. Description of a case]. / Pseudotumore infiammatorio linfonodale. Descrizione di un caso.

A case of inflammatory pseudotumor of lymph node in a 56-year-old man is described. The awareness of this benign reaction pattern is of great importance for differential diagnosis with many nodal lesions.

[Lipoid proteinosis]. / Proteinosi lipidica.

We reported a case of lipoid proteinosis with severe respiratory symptomatology. Diagnosis has been made out of clinical and histological data by laryngeal biopsy. Immunohistochemistry confirms the altered composition of extracellular matrix.

[Multilocular cysts of the kidney in the adult]. / "Cisti multiloculare" del rene nell'adulto.

Multilocular cyst of the adult kidney is a benign lesion of uncertain pathogenesis. We report a case studied by immunohistochemical techniques. A malformative histogenesis is suggested.

[Possible prognostic role of PCNA in colonic adenomas]. / Possibile ruolo prognostico del PCNA negli adenomi colici.

Proliferating cell index has been valued in colic adenomas, using anti PCNA-PC10 antibody. The results have been compared with grading. An high proliferating grade has been shown in patients with multiple adenomas: this finding suggests a prognostic value of proliferating cell index.