A definitive diagnosis requires biopsy and histopathology. Diagnosis of LMS is made by performing a soft tissue biopsy and examining its histopathology. Historically these have included histopathology, electron microscopy, and virus isolation. Fine needle biopsy for histopathology is also used. Bronchoscopic or CT-guided biopsy is often used to sample the tumor for histopathology. A biopsy may be required to obtain a sample for histopathology. Definitive diagnosis of the disease is by histopathology or virus isolation. The histopathology of endometrial cancers is highly diverse. Hyperplasia of enterocytes is also observed in histopathology studies. Fixation times for very small specimens are shorter, and standards exist in human diagnostic histopathology. The tumor histopathology is jumbled small and large cells. Like other soft tissue sarcomas, there is no universal grading system for reporting histopathology results. It shows change in histopathology and mild morbidity of the rat's kidney. Id reactions cannot be distinguished from other skin diseases by histopathology. Alzheimer was a leading specialist in histopathology in Europe.