A CASE OF HYPERPARATHYROIDISM WITH SEVERE NEPHROCALCINOSIS: SOME INTERESTING INDUSTRIAL MEDICAL IMPLICATIONS

The clinical findings in hyperparathyroidism may be due to involvement of the urinary tract, skeletal system, or hematopoietic system or to hypercalcemia. Most patients with primary hyperparathyroidism show some evidence of kidney disease. The case being presented is of interest because of the severity of the renal involvement; in addition, the industrial medical implications are of such importance as to warrant reporting. REPORT OF A CASE A 36-year-old man was asymptomatic until March 7, 1952, when he stepped on a stone while getting out of his car and sustained a minor injury to his left ankle. On the following day, while at work, he caught his left heel on a bus step and twisted his left ankle. Within two hours after the accident the pain and swelling became severe, and he was unable to continue working. Examination by his physician revealed swelling over both malleoli of the left ankle with