Acro-osteolysis is seen in -

Ans. is 'c' i.e., Hyperparathyroidism Acro-osteolvsiso Acro-osteolysis is the term used to describe resorption of the distal phalangeal tufts. Causes are : -i) Sclerodermav) Trauma & thermal injuryii) Hyperparathyroidismvi) Epidermalysis bullosaiii) Arthropathy (RA, Psoriasis)vii) Neuropathy (diabetes, syringomyelia)