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The efficacy of photodynamic therapy (PDT) with methyl aminolevulinate is reduced when treating actinic keratosis (AK) on the extremities in comparison with the face and scalp. Studies indicate that PDT efficacy can be improved by combining PDT with other treatment modalities. This randomized intra-individual study investigated whether pretreatment with topical 5% 5-fluorouracil (5-FU) enhanced the treatment efficacy of daylight-mediated PDT in 24 patients with AKs on the hands. One hand of each patient was given 7 days of pretreatment with 5-FU twice daily before daylight-PDT, whereas the other hand was treated with daylight-PDT alone. At 3-month follow-up the overall lesion response rate was significantly higher for the combination of 5-FU and daylight-PDT (62.7%) than for daylight-PDT alone (51.8%) (p = 0.001). Furthermore, pain and erythema in relation to treatment were similar in the 2 groups (p = 1.0 and p = 0.2, respectively). Combination therapy is a safe and effective method to improve daylight-PDT for acral AKs.

Rotavirus infections were confined to a 4-month period each year. It is an important cause of childhood diarrhea with high case-fatality ratio in Guinea-Bissau. The use of rectal swab appeared to increase the detection rate of rotavirus infection and the case-fatality rate. The high rate of nosocomial infections in hospitalized children emphasizes the need for prevention of disease.

Increased PpIX accumulation does not improve the effect of MAL-PDT for AKs on the hands, but leads to worse adverse events. Different strategies are needed to improve PDT on the extremities.

Rosacea is a field within dermatology with new insight within immunological research and new treatment-algorithm. Patient education on rosacea and appropriate treatments is an important aspect in helping patients succeed with therapy. Treatment should be tailored to each individual patient, taking into account: symptoms, trigger factors, patients’ wishes, most bothersome symptoms, psychological aspect, individual needs. A combination of clinical therapies to treat different symptoms concomitantly may offer the best possible outcomes for the patient. In this review article we describe these aspects.

Polymorphic eruption of pregnancy (PEP), also known as pruritic urticarial papules and plaques of pregnancy, is a common benign dermatosis of pregnancy mainly affecting primigravidae and multiple pregnancies. We report here two cases of PEP with typical clinical and histological features presenting in the postpartum period.

The aim of this study was to evaluate the activity within the primary health care (PHC) in Greenland by identifying the patterns of all registered contacts made by patients in 2021, and to compare the most frequently used types of contacts and diagnostic codes in Nuuk to the rest of Greenland. The study was designed as a cross-sectional register study using data from the national electronic medical records (EMR) and diagnostic codes from the ICPC-2-system. In 2021, 83.7% (46,522) of the Greenlandic population were in contact with the PHC, resulting in 335,494 registered contacts. The majority of the contacts with PHC was made by females (61.3%). On average, females were in contact with PHC 8.4 times per patient per year, while males were in contact with PHC 5.9 times per patient per year. The most frequently used diagnostic group was “General and unspecified”, followed by “Musculoskeletal” and “Skin”. The results are in line with studies from other northern countries and indicate an easily accessible PHC system, with a predominance of female contacts.