Moynihan et al. described Faisalabad histiocytosis in a Pakistani family. It was named after the family's place of origin.
What is the prevalence of histiocytosis in Faisalabad?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is the prevalence of histiocytosis in Faisalabad? [/INST] \n Moynihan et al. described Faisalabad histiocytosis in a Pakistani family. It was named after the family's place of origin.</s>