In order to determine which technique would provide adequate tissue for histological examination when the 'Tru-Cut' needle is used for liver biopsy, the livers of cadavers were biopsied by a single operator, under direct vision, using a 'Tru-Cut' needle. The modified breast biopsy technique either preceded or followed one of two alternative methods, one of which was recommended by the manufactu...

The present essay is aimed at getting the radiologist familiar with the basic histological skin structure, allowing for a better correlation with sonographic findings. A high-frequency (22 MHz) ultrasonography apparatus was utilized in the present study. The histological analysis was performed after the skin specimens fixation with formalin, inclusion in paraffin blocks and subsequent staining ...

In-vitro studies commonly establish the validity of a detection system by using a ‘‘gold standard’’ against which the diagnostic method can be evaluated. The most common gold standard used for caries lesions is the histological evaluation of hard tissue sections. In order to evaluate serial sections histologically, elaborate equipment is required. Undecalcified teeth with enamel and dentin cann...