Case history and Family history

Case history noun - Detailed record of the background of a person or group under study or treatment.

Family history and case history are semantically related. In some cases you can replace phrase "Family history" with "Case history", this phrases are similar.

Family history noun - Part of a patient's medical history in which questions are asked in an attempt to find out whether the patient has hereditary tendencies toward particular diseases.

Case history and family history are semantically related. Sometimes you can use "Case history" instead a noun phrase "Family history".