<unk>  is a rare congenital condition characterized by severe insulin resistance, developmental abnormalities, and acanthosis nigricans. A hypertrophic pineal gland has been reported in some cases.
Rabson-Mendenhall syndrome
Smith-Lemli-Opitz syndrome
Beckwith-Wiedemann syndrome
Stuve-Weidemann syndrome
Smith–Lemli–Opitz syndrome
Smith-Magenis syndrome
Wolcott-Rallison syndrome
Minkowski-Chauffard syndrome