Magnetic Resonance Imaging Features of Congenital Infantile Fibrosarcoma.

Background Congenital/infantile fibrosarcoma is a rare soft tissue tumor presented in early age of life. It should be considered in the differential diagnosis of the large soft tissue masses especially in the extremities at the age of infancy. These tumors frequently are misdiagnosed at birth as hemangioma.

Septic arthritis.

Septic arthritis is truly an emergency condition that needs an early diagnosis by appropriate clinical examination/judgment and using fast, available, and accurate radiological imaging and laboratory septic workup. Early diagnosis may prevent complications that may otherwise lead to the patient's disability.

Congenital cystic adenomatoid malformation.

Congenital pulmonary airway malformation of the lung is a rare lesion that commonly affects the lower respiratory tract, which manifests as progressive respiratory distress in the neonatal period. This case is highlighted to raise awareness of the variable evolving morphological and radiological appearance of this entity.