OBJECTIVE Systemic amyloidosis is a rare disorder, characterized by extracellular accumulation of Congo red positive fibrillar amyloid protein deposits that have an amorphous, eosinophilic appearance on hematoxylin-eosin stained preparations. The kidney is the most commonly affected organ by systemic amyloidosis. Congo red staining increases the positive birefringence of the weakly birefringent...

A rapid trichrome stain procedure was evaluated. It saves considerable time, especially when only a few slides are stained, and allows for the accurate identification of amoebae and other fecal parasites.

BACKGROUND Leishmaniasis is a group of diseases that are created by intracellular parasites of Leishmania. Cutaneous leishmaniasis is considered as one of the health problems in some provinces of Iran. METHODS In this study, a total of 178 Giemsa-stained slides from confirmed cases of cutaneous leishmaniasis were examined. The slides were prepared from the patients with cutaneous leishmaniasi...

Detection of C4d is crucial for diagnosing antibody-mediated-rejection. We conducted a multicenter trial to assess the reproducibility for C4d immunohistochemistry on paraffin tissue. Unstained slides from a tissue microarray (TMA) comprising 44 kidney allograft specimens representing a full analytical spectrum for C4d were distributed to 73 institutions. Participants stained TMA slides using l...

UNLABELLED Objective methods of assessment are often required in scientific studies. Histological tests with immunohistochemical staining can be assessed by photometry. OBJECTIVE To compare this objective method with the subjective evaluation performed by three independent examiners, using slides of acquired middle ear cholesteatomas. METHOD We selected a total of 54 cholesteatoma images, i...

Methods: The resection specimens and biopsies from tumours of colon (n=16), ovaries (n=13) and lung (n=5) were included and stained with H&E to determin the histological diagnosis for selecting tissues with mucin production. Slides were stained with PAS, Alcian blue, High iron diamine-Alcian blue, Meyer’s mucicarmine and Alcian blue-PAS to demonstrate the mucin production and to identify types ...