CLINICAL CHARACTERISTICS: Shashi-Pena syndrome is characterized by distinctive facial features accompanied by variable further clinical findings. Facial features may include glabellar nevus simplex, widely spaced and prominent/proptotic eyes with epicanthal folds and ptosis, arched eyebrows, broad nasal tip, and low-set/posteriorly rotated ears. Dental anomalies may include early eruption and loss of teeth as well as small and fragile teeth. Most affected individuals have infantile hypotonia…