17 December 2015: We have posted updated reviews of the following topics:

• Breast - nonmalignant > Benign tumors / changes > Eccrine spiradenoma by Monika Roychowdhury, M.D.
• Colon non tumor > Infectious colitis (specific microorganisms) > Shigella of colon by Elliot Weisenberg, M.D.
• Heart > Cardiac dissection > Conduction tissue (new) by R. Amita
• Liver and intrahepatic bile ducts-nontumor > Viral hepatitis > Chronic viral hepatitis by Abul Ala Syed Rifat Mannan, M.D. and Songyang Yuan, M.D., Ph.D.
• Prostate > Microscopic mimics of prostatic carcinoma > Seminal vesicles / ejaculatory duct by Andres Matoso, M.D.