Primary hyperparathyroidism (PHT) is a frequent and asymptomatic pathology in 80% of patients, and a parathyroidal adenoma is found in the most case. However, rare cases might occur during pregnancy; and the literature reported up to 200 cases. We report three cases of PHT that occurred during the second and last third trimesters of pregnancy stage in patients aged 26, 42 and 32-year-old. Despite diagnosis limitations, since scintigraphy is prohibited in pregnancy, the patients were managed conservatively with good prognosis for both mothers and babies.

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Introduction: Mediastinal parathyroid adenoma localization is a rare entity. We report a case of excision by manubriotomy of intrathymic parathyroid adenoma detected by Computed Tomography scan of the chest and neck and confirmed by Technetium-99 m-sestamibi scan (99 mTc-MIBI). Case Presentation: A 68 years old woman with history of hypercalcaemia, PTH elevation and operation for pathological fracture of the left femur 7 days before was presented to our service. The patient underwent manubriotomy and the adenoma was found within the right lobe of the thymus gland. Conclusion: The Technetium-99 m-sestamibi scan evaluation can be useful in the preoperative localization of ectopic parathyroid adenomas. The surgical approach by manubriotomy is privileged when the ectopic adenoma is in the upper part of anterior mediastinum.

Les anomalies du développement décrites dans le syndrome de Williams, associent classiquement une dysmorphie, des malformations cardiovasculaires et un profil neuropsychologique particulier et d'autres troubles associés. Nous rapportons le cas d'une jeune fille âgée de 17 ans, issu d'un mariage non consanguin, chez qui le syndrome de Williams a été découvert suite à une exploration dans le cadre du bilan d'un retard staturo-pondéral. L'association a une insuffisance surrénalienne primitive en fait la singularité. La confirmation diagnostique avait nécessité une analyse cytogénétique et moléculaire. La prise en charge consistait à la mise en route de traitement pour l'insuffisance surrénalienne associé à une surveillance clinico-biologique.

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