[Thirst and extensive bone lesions in a previously basically healthy woman].

[erdheim-chester disease]

A previously quite healthy 65 -year -old woman sought emergency hospital care due to fatigue , weight loss and sensation of thirst appearing over a couple of months . Further analysis revealed a process affecting the neurohypophysis and extensive lytic sclerotic bone lesions . Eventually a rare generalized underlying disease was unraveled : the diagnosis included both Langerhans cell histiocytosis and Erdheim-Chester disease .