[Malignant melanoma of the mandibular gingiva].

Introduction: The oral melanoma (OM) account for 1% of all melanomas. The prognosis is poor despite an adequate locoregional control of the disease.

Observation: A 47 year old women consulted for a blackish lesion of the mandibular gingiva next to tooth 37.

[Epidemiology of paediatric emergencies in ENT].

Objective: To assess the prevalence and severity of pediatric emergencies in ENT in Casablanca.

Material And Methods: This is a retrospective study over two years from January 1st 2010 to December 31, 2011, covering 2220 pediatric othorhinolaryngology emergencies observed in the emergency department of the "20 August Casablanca" hospital.

Results: Males predominate and account for 72.

[Pott's puffy tumor, a rare complication of frontal sinusitis].

Port's puffy tumour (PPT), corresponding to frontal osteomyelitis causing erosion of the anterior wall of the frontal sinus and subperiosteal abscess, is a rare but serious complication of frontal sinusitis or trauma to the region. It can occur even despite the use of antibiotics and requires surgical drainage of the abscess, excision of pathological tissues and obliteration of the frontal sinus by various materials. It can rarely progress to life-threatening intracranial extension.

[Pyknodysostosis. Classical and unusual aspects. Apropos of 7 cases].

Seven cases of pyknodysostosis presenting typical clinical and radiologic features were seen between 1972 and 1982. All patients showed clinical and radiologic evidence of reputedly accessory signs. Certain atypical radiologic findings during pyknodysostosis are emphasized, and modifications in the radiologic profile in 2 patients followed up for 10 years analyzed.