A rare case of Burkitt's lymphoma of the duodenal bulb in a 9 year-old child - A case report and review of the literature.

Introduction And Importance: The presence of Burkitt's lymphoma in the duodenum is very rare, as this lymphoma is most commonly found at the end of the ileum, as it contains a high proportion of lymphoid tissue, spreads rapidly, and is aggressive. Primary diagnosis by histological examination. It gives a starry sky view with positive for tumor markers.

Case report: A rare case of congenital non-metastatic low-grade fibrosarcoma of the pleura in a 6-month-old infant manifested as pneumonia.

Introduction And Importance: Congenital Infantile fibrosarcoma is a rare tumor in children and accounts for only 10 % of various malignant tumors in this age group. Manifestations vary according to the site of occurrence. Symptoms of the tumor located in unusual places can be misleading and obscure the actual diagnosis, which in turn may waste precious effort and time until the correct diagnosis is established.