Hypochondria (n.) is anxious expectation turned on one's own body, needing only some distressing sensation to fasten on.
Hypochondria (n.) can be obsessional neurosis in disguise: self-reproach turned into anxiety about one's health, one's standing or one's soul.
Hypochondria (n.) lavishes libido on a body part that does not exist for consciousness before that investment — the part becomes knowable only by being invested.
Hypochondria (n.) must be right: there are organic changes in it too — an organ grown erotogenic, tender and changed like a genital in excitement, yet not diseased.
Hypochondria (n.) stands to paranoia as anxiety neurosis stands to hysteria, Freud suggests; no theory of paranoia is trustworthy that does not cover it.