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Background and Objectives: Women who have undergone bariatric surgery are susceptible to nutritional deficiencies in subsequent pregnancies. We highlight the importance of dermatologists in the early recognition of cutaneous signs of malnutrition occurring in this specific clinical setting., Patients and Methods: We compare clinical characteristics of two young women with dermatological signs of combined post-gestational nutritional deficiencies following Roux-en-Y gastric bypass surgery., Results: Patient 1 exhibited follicular papules on the extremities, perianal eczema, perlèche, alopecia, and depigmentation of hair. Patient 2 showed erythematous plaques in genitoanal and acral areas, perlèche, diffuse alopecia, and depigmentation of hair. Based on clinical and histopathological findings, decreased vitamin A (patient 1) and zinc levels (patient 2), we diagnosed phrynoderma and acquired acrodermatitis enteropathica, respectively. Comparison of the two patients revealed that both (i) were lacking follow-up after gastric bypass surgery, (ii) developed skin lesions as primary symptoms with (iii) mixed clinical manifestations due to combined deficiencies, and (iv) experienced initial symptoms during lactation suggesting a causal relationship., Conclusions: Our observations highlight the potentially increased risk of women to develop post-gestational dermatological manifestations of malnutrition following bariatric surgery. The awareness of dermatologists with respect to this emerging, susceptible patient group may help avert damage to mother and child., (© 2015 Deutsche Dermatologische Gesellschaft (DDG). Published by John Wiley & Sons Ltd.)

Month to years after an early local or an early disseminated infection some patients develop late manifestations of lyme borreliosis. Most frequently involved organs are the skin (acrodermatitis chronica atrophicans), joints (Lyme arthritis) and the nervous system. A history of exposure and the clinical picture may suggest Lyme borreliosis, however, confirmation by serological and other tests is needed. Antibiotic treatment during early stages normally prevents development of late manifestations. Late stages persist if not treated. By adequate antimicrobial therapy they are treatable and usually show a good prognosis. Recovery may be delayed, some patients suffer from residual difficulties. Currently there is no accepted case definition for a "post lyme syndrome". The term "chronic Lyme disease" suggests (a never proven) persistent infection by viable bacteria. Repeated and prolonged antibiotic treatments are not indicated.

Two 9-week-old, breast-fed premature infants developed acrodermatitis and hypozincemia because of low zinc content in their mothers' breast milk. All symptoms of zinc deficiency disappeared within seven days after the infants were treated orally with zinc and did not recur when zinc was discontinued after 11 months (infant 1) and three weeks (infant 3). After a subsequent term pregnancy, one of the mothers had lower breast milk zinc content (P less than .025) and greater exponential decline (P less than .025) of zinc content through 40 weeks of lactation compared with 34 control subjects. Her second infant (infant 2) had hypozincemia at 7 months of age but did not develop clinical zinc deficiency. When the mothers of the affected infants took oral zinc supplements, there was no increase in their breast milk zinc content. Zinc secretion into breast milk appears to be a controlled process that is independent of maternal zinc intake or serum zinc level. Breast milk may be low in zinc because of defective mammary secretion and this may lead to severe symptomatic zinc deficiency in premature infants.