PAS-diastase stain Glycogen is PASpositive and diastase-sensitive alpha 1 antitrypsin granules in hepatocytes PAS-positive and diastase-resistant
Abscess A “lake” of neutrophils
Hemosisderin-laden macrophages Pulmonary hemorrhage: due to vasculitis and other diseases …presents with hemoptysis
Anthracosis can present in lymph nodes that drain the lung
Caseating granuloma Chronic inflammation…so we have lymphocytes not only histiocytes
Anthracosis…not only smokers
Benign prostatic hyperplasia …branching glands …stratification of nuclei …look at cell secretions characterizing prostatic epithelial cells It is a pathologic hyperplasia but doesn’t transform into adenocarcinoma
Testicular atrophy…e. g. , undescended testicles
Endometrial hyperplasia…crouded glands, some are fused, high gland/stroma ratio