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עמוד בית
Sun, 13.10.24

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September 2018
Ainat Klein MD, Gad Dotan MD and Anat Kesler MD

Background: Idiopathic intracranial hypertension (IIH) is a disorder of unknown etiology. Its occurrence in the general population is 1/100,000, and 20/100,000 among overweight women of childbearing age. Familial occurrence is reportedly uncommon and not well-characterized.

Objectives: To describe a familial association with IIH.

Methods: We conducted a retrospective chart review of all familial cases of IIH examined in the neuro-ophthalmology clinic of our medical center between January 2006 and June 2013.

Results: Of a total of 520 patients with IIH, 15 had other family members with IIH (from seven different families). The family relation was a mother and daughter in two families, a brother and sister in four families, and an aunt and two first-degree cousins in the seventh family. Symptoms, course of disease, and risk factors were similar among the relatives of all seven families, except for the age at diagnosis, which was different in one family. All of the adult patients of six families were obese (body mass index 25–35 kg/m2), and all of the members of the other family were morbidly obese. There was no association between other systemic risk factors and IIH.

Conclusions: IIH occurrence within a family is more common than previously believed, and its incidence in families is more common than in the general population. The clinical course appears to be similar in family members. Our findings suggest a genetic predisposition. Further investigation of familial cases may yield useful information on the pathogenesis and genetic nature of this condition.

January 2018
Gad Dotan MD, Eyal Cohen MD, Ainat Klein MD and Anat Kesler MD

Background: Recent evidence suggests that olfaction is impaired in patients with pseudotumor cerebri (PTC).

Objectives: To measure suprathreshold olfactory function by using the University of Pennsylvania Smell Identification Test (UPSIT), assessing its usefulness for routine clinical use.

Methods: Forty PTC patients underwent USPIT olfactory testing.

Results: Twenty-nine out of 40 (73%) PTC patients (36 women, 4 men; mean age 34 years) had reduced suprathreshold smell sensation according to UPSIT scores: 19 (47%) had mild microsmia, 9 (23%) had moderate microsmia, and one (3%) was classified as having severe microsmia. The mean UPSIT score of all patients was 32.4 (95% confidence interval 31.4–33.4). Multivariate regression analysis found that UPSIT scores were not related to disease activity, disease duration, initial intracranial pressure (ICP), or visual function.

Conclusions: Many PTC patients have reduced suprathreshold olfactory dysfunction that can be discovered by UPSIT, a rapidly administered smell test, which is suitable for clinical office use.

October 2016
Saar Anis MD, Amir Sharabi MD PhD, Yair Mina MD, Ainat Klein MD, Emanuela Cagnano MD, Ori Elkayam MD and Tanya Gurevich MD
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