Biopsy from parathyroid gland from a 55-year old male who presented to nephrology department of AIIMS has been shown below. He is a known case of chronic kidney disease with hypertension and type II diabetes. He has recently developed bone pain, lesions in skin and recurrent stones in kidney
High-Yield Explanation
Ans. (a) Water clear cells in parathyroid hyperplasia.*The given histology shows abundant optically clear cells of variable size (hyperplasia and hypertrophy), with spherical clear vacuoles surrounded by thin eosinophilic material; basal nuclei, compact or alveolar patterns.