Masked mastoiditis is a distinct form of mastoiditis with little or no symptomatology, characterized by its potential to generate severe otogenic complications. Therefore, suspected masked mastoiditis should be diagnosed and treated without delay. This study reports a rare case of masked mastoiditis, manifested by multiple intracranial complications in an immunocompetent girl. The child exhibited headache and neurological symptomatology. Imaging studies revealed an epidural and a large cerebellar abscess and the patient was immediately treated with a triple antibiotic therapy. Mastoid surgery and drainage of the epidural abscess took place after the stabilization of the patient's neurologic status, on the 3rd hospitalization day. The cerebellar abscess was treated by craniectomy and ultrasound-guided needle aspiration in the 3rd week of hospitalization. The girl was finally discharged in excellent condition. Two years later, she is still in good health, without otological or neurological sequelae. Masked mastoiditis is an insidious disease which requires increased clinical awareness and adequate imaging. Should clinical and/or radiological findings be positive, mastoidectomy must follow in order to prevent severe otogenic complications that can be triggered by masked mastoiditis.
We present a rare case of transplacental-transmitted maternal melanoma to the placenta and foetus during the pregnancy of a 34-year-old woman. She was diagnosed with a melanoma at the age of 25, for which she was treated with chemotherapy. During her pregnancy, she presented with a recurrence of the disease and died 3 months after delivery. The 10-month-old female child presented with a recurrent retroauricular oedema on the left side. A trephination of mastoid apophysis followed. Multiple fragments of dark-coloured tissue were sent for histological examination, and the immunophenotype showed a melanocytic tumour in the mastoid. A full radiological assessment showed no sign of metastasis. The child remained without treatment. Complete remission of bone metastatic lesion has been confirmed by follow-up; now, the child is 4 years old, alive, and without evidence of disease.
: Cerebrospinal fluid rhinorrhea is frequently encountered after a fracture of the skull base. Individual fractures of the posterior wall of the frontal sinus after brain injury are uncommon. The authors present a case of a 33-year-old man with a distant history of skull base injury after a traffic accident, 12 years ago. He presented with intermittent rhinorrhea and reported 2 episodes of bacterial meningitis the last 7 years since the injury. Cerebrospinal fluid leakage was confirmed with β2-transferrin testing. Computed tomography and magnetic resonance imaging revealed a small defect of the posterior and superior wall of the left frontal sinus and an ipsilateral meningoencephalocele. Finally, there was a communication between intracranial space and frontal sinus that caused meningitis. A coronal incision and frontal craniotomy with preservation of anterior pericranium was performed (frontal sinus cranialization using osteoplastic flap). In order to determine the precise margins of the frontal sinus and allow an accurate anterior table bone osteotomy and complete exposure of the sinus, the authors used a coronal view of skull X-ray. Scissors are then used to cut along the margins of the sinus. An “R” is scratched into the right side of template to record orientation. The template was sterilized and brought onto the surgical field and then placed over the left sinus An external surgical approach (anterior table bone osteotomy) with the modern technique of osteoplastic flap access was performed. An elevator was used to separate the dura from the posterior table along the entire margin of the defect. Meningoplasty (cauterization of the meningoencephalocele) and closure of the osseous defect was followed. The authors repaired the defect of the posterior wall of the left frontal sinus using a combination of underlay and overlay technique. Femoral fascia from right thigh and fibrin glue were placed in order to cover the leak of the posterior wall of the left frontal sinus, respectively. Patients who present with a short or/ and distant history of traumatic brain injury should be evaluated for complication of a cerebrospinal fluid leak.
A 19-year-old man presented with a long-standing history of nasal obstruction, which gradually became worse over the past 2 years. Nasal endoscopy revealed a sizeable rounded mass covered by a normal-looking mucosa. Imaging studies showed a mass arising from the left middle turbinate that extended throughout the expanse of the anterior skull base. The tumour was resected via an endoscopic endonasal approach. Histopathological examination revealed a psammomatoid juvenile ossifying fibroma. The patient remains free of recurrence after almost 3 years of follow-up. Only four cases of ossifying fibroma with middle turbinate localisation have been reported in the literature so far, with our case representing the fifth and most extensive case. Clinical, radiological and histological findings should all be considered for establishing the correct diagnosis. An endoscopic approach represents an excellent therapeutic option. Long-term clinical and radiological surveillance is required due to the risk of recurrence.
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