Lichtenstein syndrome

A rare genetic disease characterized by frequent infections associated with neutropenia and IgA deficiency, in combination with osteoporosis and skeletal anomalies, such as posterior spinal arch fusion defect, metacarpal subluxation, syndactyly, and camptodactyly. Reported dysmorphic features include synophrys, anteverted nostrils, and single palmar crease. There have been no further descriptions in the literature since 1972.