During the first 2 weeks of his hospitalization, the patient received a total of 13 ampules of either calcium chloride or calcium gluconate. Only once did he receive an infusion (of calcium chloride) via the left forearm. The infusion went through a 3-day-old line noted to have "sluggish but fair blood return." Three hours after the infusion, the line was pulled, and the area around the site was unremarkable until 16 days later, when it was noted to be "angry and red." Sixty-three days after the infusion, the patient's left arm was formally evaluated when white, chalky material began to extrude from the plaque. Serum phosphate and calcium levels were normal. Spontaneous resolution of the plaque was almost complete 6 months later.
Firm Plaque of the Forearm in a Patient With Hodgkin Lymphoma. Arch Dermatol. 1998;134(1):97–102. doi:https://doi.org/
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