[Cemento-ossifing fibroma: two cases].

Introduction: Cemento-ossifying fibroma is a rare benign tumor which can affect both jaw bones, particularly the mandible.

Case Reports: We report two cases of cemento-ossifying fibroma which illustrate the radiological and anatomic features of these tumors. Differential diagnosis between cementifying fibroma and ossifying fibroma was particularly difficult.

[Parathyroid cervical hematoma: a case report].

Haemorrhagic cysts of the parathyroid gland are rare. Our case report concerns a presentation with a constrictive cervical haematoma, confirmed by ultrasound-guided aspiration. The haematoma, rapidly recurred, indicating exploration of the neck and haemostasis.