Alopecia androgenetica in the female. classic, initial androgenetic alopecia of the female pattern, with preserved frontal hair and emphasis on the high-parietal hair areas in a 16-year-old female patient. secondary findings are generalized hypertrichosis since childhood. the patient's sister is also affected, previous generations are all free of symptoms.
Alopecia areata (Grade 2-3): extensive loss of hair in the capillitium. at higher magnification, the preserved (hairless) follicles can be seen. preserved hair rings partly mark the grown alopecia foci. note individual re-grown pigment-free hairs
alopecia postmenopausal, fibrosing, uniform receding of the frontal and temporal hairline. encircling a flat erythema originating from follicles. arrows: discrete perifollicular redness. distinct ulerythema ophryogenes with complete destruction of the eyebrows (square). keratosis follicularis on the extensor extremities.
Aplasia cutis congenita. general view: 1.5 x 1.2 cm in size, hairless, slightly sunken, yellowish-whitish area with shiny surface, existing since birth, unchanged for years except for size increase during physical growth.
Alopecia androgenetica in a female patient: Stage III: Pronounced hair thinning in the frontoparietal region with frontal hairline in a 56-year-old female patient.
Acne conglobata: symmetrically distributed, eminently chronic, inflammatory and melting papules and pustules as well as strong, retracted scar formation, with retention fluctuating in places.
Postmenopausal fibrosing frontal alopecia: For several years now, the hairline has been continuously moving backwards. Clear ulerythema ophryogenes. Complete hairlessness of arms and legs (condition after keratosis pilaris) which has not been noticed before.
Alopecia marginalis: 45-year-old woman, who has been fixing the curly hair on the top of her head with 2 crossed hair clips for years. In the area of the hair clips now circumscribed hairless plaque with slight induration and coarsening of the skin surface. A histological examination was performed to exclude other causes.
pachydermoperiostosis, primary: A 32-year-old man of Han Chinese origin presented with a 15-year history of a peculiar facial appearance (Panel A). after puberty, he had noticed a progressive enlargement of his hands and feet as well as facial furrowing. the patient reported that the progression of disease had stabilized by the time he was 27 years of age. on examination, he had excessive sebaceous secretions and thick, furrowed, and redundant skin on his forehead, cheeks, and chinese. soft-tissue hypertrophy reduced the motion of his hands and feet, with terminal broadening of the fingers (Panel B) and toes and cylindrical enlargement of the limbs. the patient received a clinical diagnosis of pachydermoperiostosis, a rare genetic disease characterized by pachyderma, digital clubbing, and periostosis. his parents and son did not have similar symptoms; no genetic testing was performed. the therapy was performed in two stages. in the first stage, we implanted an expander under the patient's forehead skin to enlarg
Aplasia cutis congenita. 8.0 x 6.0 cm, yellowish-white alopecic focus with shiny surface, existing since birth, unchanged for years except for size increase during physical growth.
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