Calciphylaxis is a cause of painful deep ulcers. There is controversy about best wound management in this disease. A retrospective study of inpatients during the 3 years was made. Seven calciphylaxis patients were identified. All patients suffered from various associated pathologies including diabetes mellitus type II and chronic renal insufficiency. Ulcers were treated by aggressive and deep shaving combined with autologous split-skin grafting in the same session. A 30% to 90% take rate of the grafts eventually with a complete ulcer healing in 6 of 7 patients was achieved. No patient developed a deep cutaneous infection or sepsis. All patients are still alive except one. The single death was related to cardiovascular complications. In distal calciphylaxis, aggressive ulcer surgery with defect closure offers a marked improvement in quality of life and prevents early deep skin infections and sepsis as major causes of mortality.
Acquired melanocytic naevi (MN) are considered a risk factor for melanoma. Exposure to ultraviolet light (UV) is the major environmental factor for MN. UV protection is most critical in pre-school children. This 3-year interventional longitudinal study examined 395 3-year-old children attending daycare centres (DCC) in Dresden, Germany. Photo-skin type, eye and hair colour were recorded. DCC were randomly assigned to a control group and a behavioural intervention group. All children had a regular naevus check-up, including digital objective analysis with Dell'Eva-Burroni Dermoscopy Melanoma Image Processing Software (DB-MIPS) technology. Parents of children in the intervention group received additional guidance for sun-protection. The mean total MN counts of both groups at the start of the study period were 7.19 ± 4.55 (intervention) and 6.84 ± 4.63 (control), respectively. There was a significant increase in MN counts for both groups (mean 12.5 and 13.8). Subgroup analysis for skin type, eye colour, and hair colour did not demonstrate a significant influence on MN counts. The DB-MIPS integrated classifier revealed no risky lesions while analysing their patterns. Intervention did not reduce the number of newly acquired MN. MN counts in pre-school children were approximately 5 times higher than expected from previous large studies in Germany. This is the first study in pre-school children using objective digital image analysis of pigmented lesions. No atypical lesions were observed. New approaches to UV protection in pre-school children are now required.
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