The data show that the prevalence of hyperhidrosis in Blumenau is higher when compared with other studies, thus indicating that it is not a rare phenomenon.
Alopecia areata (AA) is a common form of autoimmune nonscarring hair loss of scalp and/or body. Atypical hair regrowth in AA is considered a rare phenomenon. It includes atypical pattern of hair growth (sudden graying, perinevoid alopecia, Renbok phenomenon, castling phenomenon, and concentric or targetoid regrowth) and atypical dark color hair regrowth. We report a case of AA that resulted in a concentric targetoid hair regrowth and discuss the possible related theories regarding the significance of this phenomenon.
Pruritic folliculitis of pregnancy is a rare disease of unknown etiology. It
occcurs primarily during pregnancy, usually with spontaneous resolution
postpartum. It is characterized by a benign dermatosis, with papular and
pustular follicular lesions that first appear on the torso and occasionally
spread throughout the body. We report the case of a patient in the 27th week of
pregnancy, with a two-month evolution of pruritic and papular erythematous
lesions on her lower back. Differential diagnosis includes other
pregnancy-specific dermatoses: gestational pemphigoid, pruritic urticarial
papules and plaques of pregnancy (PUPPP), prurigo of pregnancy, and (PUPPP) and
prurigo of pregancy. Histopathological tests showed changes consistent with
pruritic folliculitis of pregnancy. This case is relevant due to its rare nature
and its clinical and histopathological characteristics.
There have been reports of the use of silicone oils in injectable form for cosmetic purposes since the 1940s. With the popularization of the use of this technique in the mid-60s, there have been a wide range of adverse effects reported. We report a 32-year-old woman, who had intramuscular injections of an unknown substance, which led to serious complications.
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