[Portrayal of cancer prevalence and mortality in Chilean digital media].

Background: Cancer is the second death cause in Chile. The Chilean National Cancer Act will secure treatment and labor protection for people diagnosed with cancer.

Aim: To answer questions regarding the media portrayal of cancer.

Dermatopathology of Cutaneous Cystic Lesions: A Practical Review With Diagnostic Clues and Pitfalls.

Background: Cystic lesions are common in the daily practice of dermatologists and dermatopathologists, and in most cases, a straightforward diagnosis can be done. Yet, some variants and situations may cause diagnostic problems or carry prognostic and/or systemic implications.

Objective: To review the histopathological features of the most frequent cystic lesions, either true cysts or pseudocysts, and provide some clues and pitfalls to bear in mind for troublesome situations such as solid-cystic tumors; uncommon variants; incidental findings; artifactual, reactive, or infectious cavities; cysts as a warning of systemic and hereditary diseases; and malignant cystic tumors, either primary or metastatic.

IgG4-related disease in thymus. A very rare case of chronic fibrosis mimicking sarcoidosis.

IgG4-related disease (IgG4-RD) is a multi-organ immune-mediated chronic fibroinflammatory condition, with unclear certain etiology. It is morphologically characterized by storiform fibrosis, dense IgG4-positive lymphoplasmacytic infiltrate, and obliterative phlebitis. It was recognized as a systemic condition as recently as 2003.