Neurofibromatosis 1 (NF1) is associated with many internal complications as well as skin manifestations, and patients may require a variety of medical and surgical interventions. We aimed to assess the medical needs of NF1 patients, and to evaluate the financial cost of the resources used for them in relation to the severity of the disease. We conducted a prospective analysis on a cohort of 201 patients in our referral centre for adults. Severity of the disease was assessed. Therapeutic management was considered as multidisciplinary if it required more than three different specialists. Plastic and dermatological surgery procedures performed were recorded. Hospital costs were computed over a 3-year period and included all hospitalization days, clinic visits and procedures performed in all departments where the patients were admitted. One hundred and thirty-seven patients had at least one out-patient procedure or one hospitalization during the follow-up period. The mean cost per patient per year was pound810 (median 240; range 0-13, 860). Multidisciplinary procedures were more frequent in moderately and severely affected NF1 patients than in milder cases (P < 0. 0001); hence, the costs for moderate and severe cases were higher than for less severe groups (P = 0.005). Plastic and/or dermatological surgery was performed with the same frequency in the different severity groups (71%). Regardless of the presence of serious intractable complications, the patients' priority is for treatment of the disfigurement due to the disease. The management of these patients can be considered relatively inexpensive from the viewpoint of the healthcare system.
Background: Few studies have evaluated the efficacy of carbon dioxide (CO2) laser ablation for treating neurofibromatosis type 1 (NF1). Objective: To evaluate laser treatment safety and patient satisfaction at the French National Referral Centre for Neurofibromatosis. Methods: Retrospective survey with a specific questionnaire. The principal outcome measures included pain evaluation and assessments of treatment safety. Results: We included 106 patients, 70% of whom had more than 50 neurofibromas. Laser treatment was performed mostly for aesthetic reasons, or due to pain, recurrent local trauma or familial influence, under a local anaesthetic, during outpatient visits. The mean pain score was 4.0 ± 2.7 during the administration of local anaesthesia, 2.4 ± 2.1 during laser treatment and <2 48 h after treatment in 56% of cases. The mean satisfaction score for the treatment was 4.6 ± 3.4 and was not associated with disease phenotype. Conclusions: CO2 laser treatment for NF could be considered more frequently and might help to decrease the social impact of the disease.
Neurofibromatosis type 1 (NF1) is a frequent autosomal dominant disease characterized by cutaneous benign tumors called neurofibromas. Surgery takes an important place in managing these skin disorders. However, skin distensibility and softness of NF1 patients quickly offset the surgical benefit. The aim of this study was to determine the rheological behavior of neurofibromas and compare it with healthy skin in an attempt to comprehend what leads to this phenomenon. Thirty patients were admitted to this study. A group of 24 healthy control subjects was also included. The skin elasticity was assessed by a noninvasive in vivo suction device (Cutometer) including 5 consecutive suctions. The assessments were performed on neurofibroma skin, the supposedly healthy skin around neurofibromas and the healthy skin of control subjects. The extensibility at the first and the fifth traction in NF1 patients (neurofibromas and the supposedly healthy skin around it) was significantly different compared to the healthy skin of control subjects. The viscoelastic parameters obtained from the neurofibromas were significantly different in comparison to those obtained from the supposedly healthy skin of NF1 patients and the healthy skin of control subjects. The rheological profiles of the neurofibromas and the apparent healthy skin of NF1 patients demonstrated a hyperextensibility behavior, but in neurofibromas, the skin was unable to return to its initial position at the end of the stretch.
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