Sleep and Learning: A Systematic Review.

 Sleep deprivation has a great impact on the learning process in physicians in training. Therefore, inquiring on this phenomenon in the most recent investigations will facilitate the provision of evidence on the influence regarding the absence of sleep on the learning process in health personnel.  The aim of this systematic review is to review, analyze and discuss the current literature that shows the impact of sleep on the learning process on doctors in training.

Pseudotumor of the Maxillary Sinus in a Child with Von Willebrand Disease.

Introduction: Mandibular pseudotumors, also known as blood cysts, are rare complications which occur more frequently in patients with an associated bleeding disorder such as hemophilia.

Case Report: We present a case of a 2-year and 6-month-old patient with a hemophilic pseudotumor associated with Von Willebrand's disease, who consulted the emergency room due to spontaneous increase in volume of the left maxillary region, with no previous relevant medical history.

Conclusions: Different imaging studies were carried out to characterize the lesion, providing the necessary information for the correct approach.

Otogenic Central Skull Base Osteomyelitis With Retropharyngeal Extension: A Case Report.

Skull base osteomyelitis (SBO) is a life-threatening condition in patients with underlying comorbidities. Ear infections may spread through normal skull base fissures in this group of patients. However, its diagnosis is frequently delayed due to the unspecific clinical findings at onset, such as headache, with diverse cranial neuropathies later as the disease progresses.