Medicina cutanea ibero-latino-americana最新文献

It indicates the methodologic in work and study, that the compose 51 patients constituted for 20 cases with queratomas, 10 of cheilitis, 13 of leucoplasias and 8 of melanosis precancerous of Dubreuilh. Immediately, it described the fundamentals of the laser carbon dioxide its bases parametrica in the treatment especially for those pathologic precancerous of the skin and the results obtained, with its advantages and disadvantages.

A case an eleven year old girl with congenital poikiloderma, generalized xerosis and cutaneous atrophy, recurrent blister in extremities, sclerosis of the fingers and toes diffuse hyperkeratosis of palms and soles and webbing between some toes is reported here. Multiple seborrheic keratosis were also found, an association hitherto not mentioned with congenital poikiloderma.

Trichofolliculoma is a rare benign neoplasm originated from hair follicle. Although this tumor often shows a suggestive clinical appearance, an accurate diagnosis only can be established by histopathologic findings. We report a case of intranasal trichofolliculoma. To the best of our knowledge, trichofolliculoma has not been previously described in this location.

The authors analyze a retrospective study of 18 cases of amelanotic melanoma, coming from 7 Departments of Dermatopathology, and 3 from private clinics in Brazil, during the period from 1980 through 1987. Nine of the 18 patients were men, and seven were women; 14 of the 18 were caucasian and 2 were blacks. Their average combined age was 56 years, varying from 24 years to 86 years. The average size of the lesions was 2.7 cm. and the location was: extremities = 7, thoracic wall = 5, upper limb = 2, and lower limb = 2. Only 2 cases included in this analyses, didn't have any other additional information about color, age, sex and location. The authors found that amelanotic melanoma is rare, in accordance with the literature. They point out, that the rarity or the lack of the melanic pigment within the tumors cells, makes the clinical diagnosis much more complex.

We present the case of a 32-year-old woman with a congenital lesion on her left cheek that histopathologically was composed of numerous mature apocrine glands. The diagnosis of pure apocrine nevus, a rare lesion of that our case probably represents the sixth described in the literature, was made.

Four cases of newborn children who presented pedal papules since birth, are reported. They showed the following features, different from the ones seen in adults: a solitary lesion, bigger size, localization on medial plantar region aspect of the heel, presence at birth, absence of an obvious piezogenic factor, physiopathogenic model that explains the development of lesions in adults, which are compared to those appearing in the newborn, are proposed.

A case of polyarteritis nodosa is reported. The patient, a 56-year-old white woman, had cutaneous nodules, ulcers and livedo reticularis over the limbs. Abdominal angiography revealed the presence of microaneurysms. Hypertension, rheumatic heart disease (under anticoagulation therapy) and diabetes mellitus, were also detected. The controversial attempt in distinguishing between systemic and cutaneous polyarteritis is emphasized, and the influence of warfarin on skin lesions morphology is discussed.

Letterer-Siwe disease is the acute and usually fatal form of histiocytosis X. We describe here a patient with this process, which serves as a reminder of the presenting features of histiocytosis X.

We report a 39 year old female, who 6 years later of accidental injury with cactus bristles, developed granulomatous lesions in her face with an ulcerative tendency. Histopathologic picture showed granulomatous infiltrates filling the full-thickness of the dermis, with abundant number of multinuclead giant cells foreign-body-type and Langhans-type and mixed inflamatory infiltrate. In the dermo-hipodermal limit, several foreing bodies were found with a thorny or barb shape, some of them into the giant cells, with were PAS positive and showed a brilliant refractile aspect under polaroscopic examination.