<prompt> True about miliary tuberculosis:Occurs following primary reactivationOccurs following secondary reactivationCommonly affects liver, kidney and spleenBoth 1 and 2  <response>: Systemic miliary tuberculosis ensues when the organisms disseminate hematogenously throughout the body. Systemic miliary tuberculosis is most prominent in the liver, bone marrow, spleen, adrenal glands, meninges, kidneys, fallopian tubes, and epididymis. Both progressive primary tuberculosis and secondary tuberculosis can result in systemic seeding, causing life-threatening forms of disease such as miliary tuberculosis and tuberculous meningitis.Reference: Robbins page 530,532 