Topics include: Vascular malformations and neoplasms; New entities in pediatric lung disease; Modern diagnosis of small cell malignancies of children; Diagnosis of intersex conditions; Enteropathies of childhood; Renal cell carcinoma in children; Myofibroblastic tumors in children; Epithelial malignancies in children; Motility disorders in children; Biopsy diagnosis of inherited liver disease; Frozen section diagnosis of pediatric brain tumors; Diagnosis in pediatric transplant biopsies.