OTORRINO - SEMINAR 5 — OTOGENIC COMPLICATIONS

[PRACTICE] — Definition and historical incidence of otogenic complications Which statement correctly defines otogenic complications and describes their historical epidemiology? A. Otogenic complications are restricted to infections of the external auditory canal and have increased substantially since the introduction of antibiotics. B. Otogenic complications involve the spread of middle-ear infection to temporal bone, extracranial, cervical or intracranial structures, and their incidence has decreased dramatically during the antibiotic era. C. Otogenic complications are exclusively autoimmune diseases affecting the cochlea. D. Middle-ear infections can spread only to the mastoid air cells and never affect intracranial structures.

[RECONSTRUCTED] — Most common intracranial otogenic complication What is the most common intracranial otogenic complication according to the historical examination material? A. Epidural abscess B. Meningitis C. Facial nerve palsy D. Sigmoid sinus thrombosis.

[RECONSTRUCTED] — Classification of intracranial complications Which is NOT classified as an intracranial otogenic complication? A. Temporal lobe abscess B. Sigmoid sinus thrombosis C. Mastoiditis D. Meningitis.

[RECONSTRUCTED] — Clinical presentation of acute mastoiditis A patient with recent acute otitis media develops mastoid tenderness, postauricular swelling, fever and protrusion of the pinna. What is the most likely diagnosis? A. Otosclerosis B. Acute mastoiditis C. Vestibular migraine D. Ménière disease.

[PRACTICE] — CT diagnosis of coalescent mastoiditis Which CT finding is particularly characteristic of coalescent mastoiditis? A. Normal mastoid air-cell aeration B. Isolated stapes fixation C. Destruction of mastoid intercellular bony septa D. Enlarged internal auditory canal.

[PRACTICE] — Types of mastoiditis and treatment Which statement about acute mastoiditis is CORRECT according to the seminar? A. The only recognized type is haemorrhagic mastoiditis, and surgery is always contraindicated. B. Coalescent, haemorrhagic and latent forms are described; initial treatment may involve antibiotics and paracentesis, while advanced disease may require antromastoidectomy. C. Mastoiditis never produces bone destruction. D. The primary treatment is chemotherapy followed by parotidectomy.

[RECONSTRUCTED] — Serous versus suppurative labyrinthitis Which statement correctly distinguishes suppurative from serous labyrinthitis? A. Suppurative labyrinthitis never causes hearing loss. B. Serous labyrinthitis always produces irreversible total deafness. C. Suppurative labyrinthitis involves bacterial invasion with a greater risk of irreversible cochleovestibular injury. D. Neither condition causes nystagmus.

[PRACTICE] — Nystagmus in suppurative labyrinthitis According to the lecture's comparison, nystagmus in advanced destructive suppurative labyrinthitis usually beats toward: A. The healthy ear B. The affected ear in every case C. The nose D. The forehead.

[PRACTICE] — Comparative features of serous and purulent labyrinthitis Which combination correctly describes the clinical findings emphasized in the seminar for serous and purulent labyrinthitis? A. Serous labyrinthitis always produces complete deafness, while purulent labyrinthitis preserves normal hearing. B. Serous labyrinthitis may produce progressive hearing impairment, while purulent labyrinthitis may produce complete deafness with the Weber test lateralizing toward the healthy ear. C. Both conditions exclusively cause conductive hearing loss without vestibular symptoms. D. Purulent labyrinthitis never produces nausea, vomiting or vertigo.

[PRACTICE] — Differential diagnosis and treatment of labyrinthitis A patient with chronic otitis media develops severe vertigo, nystagmus and progressive hearing loss. Which statement about the differential diagnosis and management of labyrinthitis is CORRECT? A. Cerebellar abscess can always be excluded because it never causes balance disturbances. B. Labyrinthitis must be differentiated from cerebellar abscess, and management depends on whether the disease is serous or suppurative. C. All cases require immediate total laryngectomy. D. Vestibular rehabilitation has no role after destructive labyrinthine disease.

[PRACTICE] — Peripheral facial nerve palsy Which finding indicates peripheral facial nerve palsy associated with otitis media? A. Preserved forehead movement with isolated lower facial weakness B. Loss of forehead wrinkles and impaired eye closure on the affected side C. Isolated conductive hearing loss without facial weakness D. Bilateral pupillary dilation.

[PRACTICE] — Epidemiology and management of otogenic facial palsy According to the seminar, which statement regarding facial nerve dysfunction associated with otitis media is CORRECT? A. Facial palsy occurs exclusively in chronic otitis media, never in acute disease. B. The lecture reports facial nerve involvement in approximately 0.8% of acute otitis media and 1.7% of chronic otitis media cases, with paresis more frequent than complete paralysis. C. Complete facial paralysis represents 100% of cases. D. Facial nerve decompression must be performed in every patient regardless of severity.

[PRACTICE] — Gradenigo syndrome Which triad characterizes Gradenigo syndrome? A. Otorrhoea, retro-orbital pain and abducens nerve palsy B. Dysphagia, iron-deficiency anaemia and oesophageal webs C. Vertigo, tinnitus and fluctuating hearing loss D. Fever, internal jugular thrombosis and septic pulmonary emboli.

[PRACTICE] — Petrous apex anatomy and treatment Which statement concerning petrositis is CORRECT? A. The petrous apex is always completely pneumatized in every individual. B. Petrositis may result from extension of mastoid infection, and persistent petrous apex infection may require prolonged antibiotics and surgical drainage. C. Petrositis occurs exclusively in the frontal bone. D. Gradenigo syndrome is caused by an isolated injury to the hypoglossal nerve.

[PRACTICE] — Subperiosteal mastoid abscess A retroauricular subperiosteal abscess associated with mastoiditis results from: A. Infection spreading through the external mastoid cortex B. Obstruction of Wharton's duct C. Primary infection of the parotid gland D. A vocal-fold epithelial lesion.

[PRACTICE] — Bezold's abscess What is the characteristic anatomical mechanism of Bezold's abscess? A. Infection spreading into the cochlea only B. Mastoid infection breaking through the medial surface of the mastoid tip into deep cervical tissues C. Infection of the frontal sinus extending into the forehead D. Infection confined to the external auditory canal.

[PRACTICE] — Differentiating mastoid abscess pathways A patient with complicated mastoiditis develops inflammatory swelling extending anteriorly toward the zygomatic region. Which complication best explains this presentation? A. Zygomatic abscess due to extension of mastoid infection toward the zygomatic air-cell region B. Bezold's abscess due to isolated cochlear infection C. Otitic hydrocephalus without local tissue infection D. Pure sensorineural hearing loss caused by otosclerosis.

[PRACTICE] — Routes of otogenic intracranial infection Which mechanisms may transmit otogenic infection into the cranial cavity? A. Direct extension through temporal bone defects B. Septic thrombophlebitis through communicating veins C. Both A and B D. Neither A nor B.

[PRACTICE] — Clinical importance of the tegmen tympani Which statement correctly describes the tegmen tympani and its relevance to intracranial otogenic complications? A. It is the floor of the external auditory canal and has no relationship to the cranial cavity. B. It is a bony plate forming the roof of the middle-ear cavity, separating it from the middle cranial fossa and potentially allowing intracranial extension through defects. C. It is the ligament connecting the malleus to the incus. D. It is a membrane separating the cochlea from the vestibule.

[PRACTICE] — Clinical presentation of otogenic meningitis Which symptoms are characteristic of meningitis secondary to otogenic infection? A. Fever, headache and neck stiffness B. Isolated nasal itching C. Painless parotid swelling D. Brief positional vertigo without systemic symptoms.

[PRACTICE] — Treatment of otogenic meningitis Which statement correctly describes treatment principles for meningitis arising from middle-ear infection? A. Otogenic meningitis can be managed using antiseptic ear drops alone. B. Urgent systemic antimicrobial treatment is essential, with middle-ear or mastoid source control when indicated. C. Antibiotics are never appropriate because the condition is always viral. D. The only treatment is vestibular rehabilitation.

[PRACTICE] — Griesinger's sign What is Griesinger's sign? A. Paralysis of the abducens nerve B. Postauricular oedema associated with mastoid emissary vein thrombosis C. Proptosis associated with an orbital tumour D. Tongue deviation associated with hypoglossal injury.

[PRACTICE] — MRI and venography in sigmoid sinus thrombosis Which examination is especially useful for evaluating suspected sigmoid sinus thrombosis? A. Tympanometry alone B. Pure-tone audiometry alone C. MRI with MR venography D. Anterior rhinoscopy.

[PRACTICE] — Management of otogenic sigmoid sinus thrombosis Which statement best reflects the management of otogenic sigmoid sinus thrombophlebitis described in the seminar? A. Anticoagulation is the only possible treatment, and the original ear infection should be ignored. B. Management may involve anticoagulation, middle-ear or mastoid surgery, and selected vascular interventions, together with appropriate infection treatment. C. The condition is treated using only antihistamines. D. The thrombus must always be removed by direct craniotomy in every patient.

[PRACTICE] — Anatomical location of epidural abscess Where is an intracranial epidural abscess located? A. Between the skull and dura mater B. Between the dura and arachnoid mater C. Inside the cochlea D. Inside the parotid gland.

[PRACTICE] — Clinical features and management of epidural abscess Which statement concerning otogenic epidural abscess is CORRECT? A. It always produces severe seizures and coma from the beginning. B. It may produce few symptoms and can present with deep headache or low-grade fever; treatment usually involves antibiotics and assessment for surgical drainage. C. It occurs within the membranous labyrinth. D. It is the same anatomical lesion as a subdural empyema.

[PRACTICE] — Subdural empyema Which statement about subdural empyema is correct? A. It is always asymptomatic. B. It is a purulent collection between the dura and arachnoid and may cause seizures or neurological deficits. C. It occurs inside the mastoid air cells. D. It is a benign epithelial tumour.

[PRACTICE] — Epidural versus subdural intracranial infection Which statement correctly distinguishes epidural abscess from subdural empyema in the seminar? A. Epidural abscess is located between dura and arachnoid, whereas subdural empyema is located inside the cochlea. B. Both are exclusively infections of the external auditory canal. C. Epidural abscess lies between skull and dura and may have relatively subtle symptoms, whereas subdural empyema lies between dura and arachnoid and can cause severe neurological deterioration. D. Neither condition can occur as a complication of middle-ear infection.

[PRACTICE] — Most characteristic locations Which intracranial locations are particularly associated with otogenic brain abscesses? A. Temporal lobe and cerebellum B. Frontal sinus and orbit C. Parotid gland and tongue D. Nasal septum and vocal folds.

[PRACTICE] — Brain abscess imaging and treatment A patient with chronic otitis media develops persistent headache, fever and neurological deterioration. Contrast-enhanced MRI demonstrates a ring-enhancing lesion with a central cavity and surrounding cerebral oedema in the temporal lobe. Which statement is most appropriate? A. The findings suggest an otogenic brain abscess, potentially requiring prolonged antibiotics, treatment of the ear infection and intracranial drainage. B. A ring-enhancing cerebral lesion always indicates uncomplicated otitis externa. C. The correct treatment is antiseptic mouthwash alone. D. Brain abscesses never develop near the temporal bone.

[PRACTICE] — Cerebellar abscess versus peripheral labyrinthitis A patient with middle-ear infection develops gait ataxia, persistent imbalance and nystagmus. Hearing and caloric vestibular responses remain relatively preserved. Which diagnosis is particularly important to exclude? A. Cerebellar abscess B. Isolated cerumen impaction C. Simple otosclerosis D. Uncomplicated external otitis.

[PRACTICE] — Mechanism of otitic hydrocephalus Which mechanism is associated with otitic hydrocephalus? A. Obstruction of the salivary glands B. Middle-ear ossicular fixation C. Impaired intracranial venous drainage related to dural venous sinus disease D. Benign vocal-fold oedema.

[PRACTICE] — Diagnosis and clinical findings of otitic hydrocephalus Which statement about otitic hydrocephalus and dural sinus occlusive disease is CORRECT according to the seminar? A. Normal venous flow in the relevant dural sinuses supports the presence of complete sinus occlusion. B. Abducens nerve palsy and severe headache may occur, and MRI-based evaluation of venous sinus flow is important in diagnosis. C. The condition is exclusively caused by obstruction of the Eustachian tube. D. Hearing loss is the only possible symptom.

[PRACTICE] — Recognizing complications from clinical findings A patient with chronic otitis media develops severe vertigo, profound unilateral sensorineural hearing loss and spontaneous nystagmus beating toward the healthy ear. Which diagnosis best explains this combination according to the seminar? A. Advanced suppurative labyrinthitis B. Uncomplicated otosclerosis C. Isolated external auditory canal eczema D. Simple serous otitis media without inner-ear involvement.

[PRACTICE] — Complete integrated otogenic complications question Which of the following associations between otogenic complications and their characteristic anatomical or clinical features is CORRECT? I. Gradenigo syndrome — Otorrhoea, retro-orbital pain and abducens nerve palsy II. Griesinger's sign — Postauricular oedema associated with mastoid emissary vein thrombosis III. Bezold's abscess — Spread through the medial mastoid tip into deep cervical tissues IV. Coalescent mastoiditis — Destruction of mastoid bony septa V. Otogenic brain abscess — Commonly affects the temporal lobe or cerebellum A. I, II and III only B. II, IV and V only C. I, III, IV and V only D. All five.