A favorable response to lithium carbonate in a "schizo-affective" father and son

It has recently been suggested that patients with mania are often misdiagnosed as having schizophrenia. The authors report a favorable clinical response to lithium carbonate in a father and son with an apparent schizo-affective syndromes may respond favorably to lithium but caution that a favorable response in such cases does not absolutely confirm a diagnosis of mania.