Acquired lipodystrophy, craniopharyngioma and chronic inflammatory demyelinating polyneuropathy (CIDP) are individually rare disorders, and have never before been reported in a single patient.
A 15-year-7 month old Caucasian male presented with lower extremity weakness, frequent falls and abnormal fat distribution occurring over the previous 1 year. He was diagnosed with CIDP, craniopharyngioma and acquired lipodystrophy. The patient underwent tumor debulking and cranial irradiation for the craniopharyngioma, and received monthly intravenous immunoglobulin for the CIDP. The patient initially had some resolution of the lipodystrophy phenotype, but subsequently the abnormal fat distribution recurred and the patient developed additional systemic abnormalities, including mild pancytopenia and hepatic fibrosis.
Their patient represents a novel association of acquired lipodystrophy, craniopharyngioma, and CIDP, possibly due to an as yet unidentified paraneoplastic autoantibody.
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