Prostatic intraepithelia neoplasia relationship to adenocarcinoma of prostate; the pathology fo low grade adenosquamous carcinoma of the breast - an immunohistochemical study; tumours of the middle ear and endolymphatic sac; malignant melanoma microstaging - history, premises, methods, problems, recommendations; a call for standardization; worrisome histologic alterations following FNA of thyroid; cytology of intracranial tumours in crush preparations; its adjunctival value of frozen section diagnosis; new concepts in the diagnosis and prognosis of endometrial carcinoma; the pathology of pre-cancerous breast disease; the immunohistochemistry of malignant mesothelioma; bronchoalveolar lavage - cytologic techniques and interpretation of the cellular profiles.