Squamomelanocytic Tumors: A Singular Case Report and Comprehensive Review.

Cutaneous neoplasms from different cell types can exist within the same lesion. These can be classified into four subtypes which are collision tumour, combined tumour, colonization and biphenotypic tumour. The presence of a melanoma component in these tumours is very rare.

Multiple primary melanoma with the Meyerson phenomenon in a young patient.

Meyerson phenomenon (MP), also called halo eczema or halo dermatitis, was first described in 1971 as a symmetric eczematous halo around acquired melanocytic nevi. Since then, cases of MP have been described in any kind of melanocytic nevi and also in non-melanocytic tumors. To the best of our knowledge, only four cases of melanoma associated with MP have been reported.

Pancreatic panniculitis: A case series from a tertiary university hospital in Spain.

Pancreatic panniculitis is a rare type that only occurs in 2-3% of all patients with pancreatic diseases. It is usually described in association with benign pancreatic disease and less commonly in association with pancreatic carcinoma. We describe a case of pancreatic panniculitis as the first manifestation of underlying ampullary adenocarcinoma and a new case of pancreatitis, panniculitis and polyarthritis (PPP-Syndrome).