Which of the following carcinoma most frequently metastasize to brain: (A) Small cell carcinoma of lung, (B) Prostate cancer, (C) Rectal cancer, (D) Endometrial cancer
Answer is A. Ref Harrison 17/e p2458; Robbins 8/e p1339;7/e p1410;9/e p1315 Small cell carcinoma of lung most commonly metastasize to brain.it account for about 40% of brain metastasis Other tumors metastasizing to brain are carcinomas of .breast .melanoma .kidney .GIT