1. Cutaneous Gangrene, Vascular Calcification, and Hyperparathyroidism
DAVID A. MEHREGAN, M.D., RICHARD K. WINKELMANN, M.D., Ph.D. 
Mayo Clinic Proceedings 
Volume 64, Issue 2, Pages (February 1989)
DOI: /S (12)
Copyright © 1989 Mayo Foundation for Medical Education and Research Terms and Conditions

2. Fig. 1
A, Purpuric and necrotic plaques on legs of 72-year-old man with chronic renal failure. B, Progression of cutaneous gangrene to thighs.
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1989 Mayo Foundation for Medical Education and Research Terms and Conditions

3. Fig. 2
Roentgenogram of leg, showing calcification of small cutaneous vessels.
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1989 Mayo Foundation for Medical Education and Research Terms and Conditions

4. Fig. 3
Ultrasonogram of neck, showing oval structure (1.5 by 0.7 cm) consistent with inferior parathyroid adenoma.
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1989 Mayo Foundation for Medical Education and Research Terms and Conditions

5. Fig. 4
Photomicrograph of biopsy specimen from edge of ulcer, demonstrating deposition of calcium within panniculus. (Hematoxylin and eosin; × 40.)
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1989 Mayo Foundation for Medical Education and Research Terms and Conditions