[What may cause diabetes].

Unlabelled: The case study describes a case of 49-year-old man with morbid obesity since childhood (BMI 40 kg/m2), arterial hypertension (approx. since aged 15, treated since 2004), dyslipidemia (since 2006), type 2 diabetes mellitus (since 2006, on insulin therapy since 2008) and smoking (until 2011, 20 cigarettes a day).

Treatment: 16 types of medication, 8 for hypertension, statin, therapy for diabetes, aspirin, allopurinol.

Collagen type IV in epithelial tumours of colon.

Collagen type IV in the lamina propria mucosae is one of the main components of the basement membrane of normal and transitional colon mucosa. The aim of the present study was to assess the use of anti-collagen type IV antibodies in the evaluation of biological activity of epithelial tumours of the colon. Formalin-fixed and paraffin-embedded specimens of polyps and carcinomas of the colon from 14 patients were analyzed.