A patient presenting with co-existent Capgras and deClerambault's syndromes
, with a history of morbid jealousy is described. This combination of syndr
omes has not previously been described, The relevant literature to this cas
e is reviewed. in relation to the onset of these syndromes, aetiology and t
reatment. Abnormalities in pathways involving recognition of familiar faces
have been implicated in a number of similar cases.