| Examples of nonspecific lesions include erythema nodosum, clubbing, calcinosis cutis, and erythema multiforme. |
| Calcinosis, in which stony deposits form in the lobster's gills, causing respiratory failure, is caused by excess calcium. |
| Calcinosis cutis is the deposition of amorphous calcium hydroxyapatite, forming subcutaneous nodules. |
| Other involvements of the skin can be less frequent such as sclerodactyly, edema, and calcinosis. |
| Calcinosis occurs rarely at the injection site and is more frequent in patients with abnormal calcium phosphate product, such as in some cases of chronic renal failure. |
| In addition to these findings, he had calcinosis cutis on elbows, knees, hips, and fingers, as well as photosensitivity. |
