Reevaluation of tumor classification, differential diagnosisand differential therapy based on modern knowledge. Revisionof all chapters to incorporate new facts based on recentdiscoveries.Reevaluation of tumor classification, differential diagnosisand differential therapy based on modern knowledge. Revisionof all chapters to incorporate new facts based on recentdiscoveries.A. Methods of Obtaining, Preparing, and Interpreting the Endometrium.- 1. Indications for Curettage.- 2. Selection of the Proper Time for Curettage.- 3. Procedures for Obtaining Endometrial Tissue.- 4. Preparation of the Endometrial Specimen.- a) Fixation.- b) Embedding.- c) Orientation.- d) Staining.- e) Immunocytochemistry with Monoclonal Antibodies.- f) Quantitative and Experimental Methods.- 5. Components of Curettings and Their Diagnostic Value.- 6. Statistical Analysis of the Histological Results.- B. The Normal Histology of the Endometrium.- 1. The Individual Structures.- a) The Glandular Epithelium.- b) The Superficial Epithelium.- c) The Stromal Cells.- d) The Reticulum Fibers.- e) The Ground Substance.- f) The Vessels.- g) The Nerves.- 2. Histochemical Localization of Enzymes; the Reciprocal Action Between Enzymes and Hormones.- 3. Structural Changes Induced in the Endometrium by the Physiological Action of the Ovarian Hormones.- a) Molecular Biology of Steroid Hormones.- b) Endometrial Steroid Receptors.- c) Estrogen.- d) Progesterone.- e) Relaxin.- 4. Changes in Structures in the Endometrium During Nidation.- 5. The Endometrium Before Puberty.- 6. The Normal Menstrual Cycle and Its Possible Variations.- a) The Normal Proliferative Phase.- b) The Normal Secretory Phase.- c) Menstruation.- d) Regeneration.- e) Possible Variations in the Endometrium During the Normal Cycle.- 7. The Endometrium in the Climacterium and After the Menopause.- C. The Histopathology of the Endometrium.- 1. Morphological Effects of Circulatory and Coagulation Disturbances.- a) Edema.- b) Chló,