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Diffuse cutaneous mastocytosis (DCM) is a rare variant of mastocytosis. We describe a case of DCM with a very severe presentation at birth and fatal outcome.

We report a case of calcinosis cutis in a 41-year-old man developing after liver transplantation at sites where no intravenous calcium had been administered. The cutaneous lesions developed on his right upper arm 10-days post-transplantation. The patient had received calcium chloride solution intravenously after surgery. We excluded other causes of ectopic calcification such as hyperparathyroidism, renal failure, and extravasation of calcium chloride.

Cutaneous sinus tracts of dental origin are often a diagnostic challenge. A delay in correct diagnosis can result in inappropriate treatments. We describe two unusual cases of periapical infection. The first patient presented with a fistulized tumoral mass under the chin present for 1 year. The patient had only one tooth, and that was anatomically unrelated to the tumor. Radiological examination showed a dormant tooth that was infected periapically. The second case was a man who complained of asymmetry and change in his left nasolabial fold of 4-5 week's duration. On examination, the nasolabial folds were asymmetric without any sign of facial palsy. On intraoral examination, there was a severely decayed tooth on the same side. Radiological survey confirmed periapical infection. A few weeks after proper treatment, the nasolabial folds became symmetric.

Lipoid proteinosis is a rare autosomal recessive disorder; it presents in early childhood with hoarseness, skin infiltration and thickening with beaded papules on eyelid margins, and facial acneiform or pock-like scars. Although 250 cases have been reported until now, the occurrence of disease in siblings is very rare. We report three familial cases of lipoid proteinosis involving a brother and sister and their nephew.