[Woolly hair. Apropos of 5 cases].

Five cases of Woolly hair, three generalised, and two localised are reported. On the first two, we carried out trichogrammes which were studied with polarized light, and on all five, SEM (Scanning Electron Microscopy). The data obtained coincided with previous descriptions (Pseudomonilethrix images, Pili torti, Trichorrhexis nodosa, reduced hair diameter, oval section following transversal cut, and a wavy-line disposition), although we emphasize the smaller number of layers of cuticle cells following the transversal cut, and the presence of Trichonodosis, not previously refered.

[Polypoid pseudosarcoma of the tongue].

Polypoid pseudosarcoma (PP) is a rare type of squamous-cell carcinoma of mouth, fauces and larynx with sarcoma-like reaction. Clinically PP is characterized by large pedunculated or sessile masses of rapid growing. This tumour recurs easily but rarely provokes metastasis.

Specific cutaneous manifestations of Waldenström's macroglobulinaemia. A report of two cases.

Patients affected by Waldenström's macroglobulinaemia may rarely present specific cutaneous manifestations. The violaceous plaques or tumours infiltrated by lymphoplasmocytoid cells, and the pink, translucent, shiny papules composed of deposits of hyaline monoclonal IgM possess definite clinico-pathological characteristics that may permit the diagnosis before any other data were available. The immunopathological and ultrastructural features of these lesions are described.

[Juvenile Duhring's disease. Apropos of 7 cases].

Chronic non hereditary subepidermal blistering diseases are in childhood and present mainly problems on its clinical and histological diagnosis. Immunopathologic, immunogenetic and ultrastructural studies play a definitive role in the classification of this group of entities. In this paper we report and comment seven children affected of dermatitis herpetiformis.

[Self-healing childhood histiocytosis X (Illig-Fanconi disease). Comments on ultrastructural aspects and etiopathogenic classification of histiocytosis].

Two cases of cutaneous self-healing histiocytosis X in a 6 and a 16 months-old children, are reported. Clinically, the lesions were characterized by few, small, translucent and confluent papules, sometimes purpuric. The scalp lesions were seborrheic eczema-like; the elements on the groins were erosive.

Histopathology of the saburral tongue.

Optical microscopical studies were carried out on biopsies from 22 patients affected by saburral tongue (ST). The histopathological pattern consisted of a papillomatous acanthosis covered with a very thick horny layer. Abundant colonies of banal germs were seen in the keratin.

[Trichorhinophalangeal syndrome (Giedion)].

Three cases of the Tricho-rhyno-phalangeal syndrome (TRF) are described. Two cases were in the same family with some affected membres (Camacho et al., 1978).

[Neviform hyperkeratosis of the mammary areola].

A case of neviform hyperkeratosis of the areola is reported. This case may be identified as type III of the Lévy-Franckel classification: not associated to other cutaneous alterations. A review of the literature is made.

[Pili canaliculi (uncombable hair syndrome or spun glass hair syndrome). A scanning electron microscope study of ten new cases (author's transl)].

"Uncombable hair" is the denomination applied to a new abnormality of the hair, being characterized by its arranged in bundles disposed in different directions and which are irreductible on combing. It may have a familial trait and starts at the age of 3 months onwards. It appears in children of both sexes, whose hair becomes dry, tightly curled, shiny, lighter and impossible to comb.

[Postovulation dermatitis (dermatitis caused by progesterone)].

Postovulation Dermatitis is a frequent clinical picture although it is not well known. Clinically a polymorphous eruption appears between than 8 or 10 day before menses. The Authors report three cases in which an complete immunological investigation was performed.

Ultrastructural aspects of normolipidemic xanthomatosis.

Electron microscopic aspects in ten cases of normolipidemic cutaneous xanthomatosis have been investigated. Two additional types IV and V hyperlipoproteinaemic xanthomatosis have also been included. Ultrastructural findings in all cases were similar.

[Uncombable hair syndrome].

Two cases of new hair defect syndrome, recently described by French dermatologists, are reported. They are characterized by clinically dry, bright and uncombable hair. Pathologic and scanning electron microscope studies, show: -- Angulation of the hair bulb with adherence between the inner root sheath and the hair shaft.

[Lipid composition of cutaneous lesions in different types of xanthomatosis].

Twenty one specimens of cutaneous xanthomas from different types of hyperlipoproteinaemic and normolipidemic xanthomatosis were obtained and analyzed by thin layer chromatography. After separation and development, the areas were determinated by densitometry, and the results are given in percentages for each development. Acording to the results, the following data are of interest: -- Recents xanthomas have greater amount of lipids.

[Desmoplastic melanoma].

Conley et al., in 1971, described a special type of melanoma characterized by a superficial melanic lesion at the onset; repeated local relapses as subcutaneous tumorations with an histological picture closely resembling an atypical fibroxantoma or fibrosarcoma. After a review of all the published material the autors presents a personal case with the clinical, histological and evolutive characteristics of this disease.