| A rare adrenocortical nodular disease characterized by increased to normal sized adrenal glands containing multiple small (less than 1 cm in diameter) cortical pigmented (lipofuscin) nodules, surrounded by internodular adrenocortical atrophy. It is typically associated with the development of a form of adrenal Cushing syndrome (CS). Rarely, it has been associated with adrenal macronodules. Whilst PRKAR1A variants are associated with CNC (Carney complex), the mutation c.709-7del6 is mostly associated with i-PPNAD. Other mutations associated with i-PPNAD include PRKACA (germline copy-number gains), PDE11A and PDE8B genes, although these are rare. |
