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Biomedical subjects

Y Privat

Publications and source records attributed to Y Privat.

At least 73 records · Page 4Linked to original sources
PubMed1979

[Diagnostic and therapeutic problems posed by a congenital lateral fistula of the neck (author's transl)].

Cysts and congenital lateral cervical fistulas are related to the persistance of the normally transitory branchial pouches and their embryologico-anatomic arrangement. Due to this fact they have a preferential topography. An atypical fistula of the second branchial cleft is reported. It is a congenital supra-hyoidian lateral cervical fistula with an intra-parotid route which terminates in the tonsils. The extreme variability of the external orifice, the pathogenic nature of the internal orifice and of the fistular route, as well as the initial discovery of the facial nerve and tonsillectomy in lateral fistulas of the neck are, by the same occasion, brought to mind.

Adolescent↗
PubMed1978

[Crosti's reticulosis. Report on three cases, one with ultrastructural study (author's transl)].

Crosti's reticulosis is defined as a peculiar form of well-circumscribed, slow developing lymphomas in adults, with a malignant histological picture. Three cases with typical dorsal localisation according to Crosti's first description are reported and the cardinal features of this type of tumour are recalled. One observation includes an ultrastructural study which confirms the malignant nature of histiocytes in this disease. Localisation in back seems not to be exclusive and a study of 32 cases of the literature about other localised cutaneous reticulum cell lymphomas show them similar to Crosti's reticulosis-which authorizes their classification, as was proposed by Thiers in a single group of slow developing circumscribed reticuloses.

Adult↗
PubMed1978

[Cutaneous periarteritis nodosa. Critical study about 4 cases (author's transl)].

Cutaneous form of periarteritis nodosa. Four personal cases are added to 70 cases of the previous literature. The clinical and biological picture of the cutaneous form of P.A.N. are different from the systemic one by the lack of visceral involvement and a noteworthy good long-term prognosis. Venous (superficial thrombophlebitis) and distal arterial involvement in some cases, raise doubts about diagnosis and classification. The solution is in an accurate definition of the diagnostic clues and specially of the histopathological ones.

Adult↗
PubMed1977

[Keratosis lichenoides striata associated with a pseudo-sinhum and a neurological picture (author's transl)].

The authors reported a case which does not seem to be possibly related to any known clinical entity; an aspect of keratosis lichenoides striata is associated with an ichthyosiform condition of the trunk and a pseudo-ainhum; there is also a neurological syndrome similar to a multilocular sclerosis. This patient resembles the previous cases of the literature; however there is neither erythema nor any striation at the back of the knees. There is also a pseudo-ainhumm. Concerning this observation, a review of the literature on keratosis lichenoides striata is presented.

Adult↗
PubMed1975

[Kaposi's disease. Ultrastructural study of 4 cases].

An ultrastructural study of Kaposi's disease showed often immature vascular proliferation bordered by large globular or fusiform endothelial cells. Other cell types participated in this proliferation: inflammatory cells, pericytes and fibroblasts. These various cell types are the site of active erythrophagocytosis. It is reasonable to accept that the disease is the result of reticulo-endothelial proliferation with multiple morphological types and predominant vascular differentiation.

Blood Vessels↗