Biomedical subjects
Publications and source records attributed to M Soyeur-Broux.
The clinical diagnosis and treatment of cutaneous cancers represent a frequent situation in cancerology. About one third of all human cancers take their origin from the skin. The general practitioner and the dermatologist-oncologist play the key role in that field of health care.
The Mosan Study Group of Pigmented Neoplasms was founded about 15 years ago. It has collected more than 20,000 cutaneous malignancies including melanomas and basal and squamous cell carcinomas. The incidence of these cancers is on the rise in Wallonia. In particular, malignant melanomas represent a spectrum of emerging cancers characterized by a proteiform biological outcome. They mostly affect young women. The major risk factor appears to be iterative and unwise ultraviolet exposures. The prevention of melanomas is basically founded on such a dogma and accordingly relies on sunscreens. However, controversies about their beneficial effects are rife and fueled by axiomas and contradictory sophisms. At the exception of surgery, the therapeutic options for the diverse types of melanomas do not yet fulfill the scope of evidence-based medicine.
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We present the clinical and histologic features of the cutaneous lesions in a girl with cardio-facio-cutaneous syndrome. Marked tortuosity with hyperkeratosis of the sweat ducts and dystrophy of the hair shafts appear to be the cutaneous hallmarks of this syndrome.
We report a clinicopathological observation concerning a man and his son affected by the same disease. The main cutaneous lesions included poikiloderma congenitale and generalized alopecia respecting the pubic area. These anomalies were associated with cleft palate and Robin sequence in the boy. The main histological changes consisted in a marked atrophy of hairs with persistence of sebaceous glands. In sun-exposed areas, we found colloid bodies, melanophages and hyperplasia of the elastic tissue network. Those features resembled those of the Rothmund-Thomson syndrome, but the phenotype and the apparent dominant mode of inheritance exclude this possibility. A new genodermatosis, related with, but distinct from the Rothmund-Thomson syndrome is suspected, for which the acronym PARC syndrome is proposed.
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