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Systemic Disorders Affecting the Temporal Bone
Built from Haynes-Glasscock-Shambaugh Surgery of the Ear, Seventh Edition
What’s inside
14 sections · 120 slides
Scope of the Problem
- Systemic disorders reaching the temporal bone
- Categories of systemic temporal bone disease
- Temporal bone within the lateral skull
Neurosarcoidosis
- Sarcoidosis: definition and organ involvement
- Epidemiology and implicated exposures
- Systemic clinical features of sarcoidosis
- Granuloma formation and the reparative phase
- Non-caseating granuloma in lung tissue
- Neurosarcoidosis: frequency and classification
- Presenting symptoms of neurosarcoidosis
- Cranial base manifestations: Carlson multicentre series
- MRI findings in neurosarcoidosis
- Enhancing nodules and perivascular lesions on gadolinium MRI
- Diagnostic difficulty and the Zajicek classification
- Treatment and the role of surgery
Granulomatosis with Polyangiitis
- Granulomatosis with polyangiitis: defining triad
- Epidemiology and survival in GPA
- American College of Rheumatology criteria
- c-ANCA testing in GPA
- Cytoplasmic staining pattern on neutrophil immunofluorescence
- Head and neck burden of GPA
- Middle ear manifestations of GPA
- Inner ear and vestibular involvement in GPA
- Temporal bone histopathology in GPA
- Two phases of GPA treatment
Human Immunodeficiency Virus
- HIV: virology and progression to AIDS
- Prevalence of otologic disease in HIV
- Audiometric evidence and its inconsistency
- Vestibular and inner ear findings in HIV
- Facial nerve palsy in HIV
- Otologic findings in paediatric HIV
- HAART and hearing: changing explanations
- Current theories and treatment-related loss
Syphilis
- Syphilis: organism, transmission and stages
- Treponema pallidum spirochetes on electron microscopy
- Otosyphilis: presentation by stage
- Otosyphilis as a diagnostic mimic
- Prognosis and predictors of hearing recovery
- Pathogenesis of treponemal inner ear injury
- Two-test serologic algorithm for syphilis
- Treatment of neurosyphilis and otosyphilis
Lyme Disease
- Lyme disease: organism, vector and incidence
- Expanding annular rash with central clearing
- Early localized features of Lyme disease
- Neuroborreliosis in disseminated disease
- Facial nerve outcome and the steroid question
- Hearing loss in Lyme disease
- Diagnosis and IDSA treatment of Lyme disease
Relapsing Polychondritis
- Relapsing polychondritis: definition and features
- Auricular chondritis: the lobule-sparing sign
- Other otologic manifestations and diagnosis
Rheumatoid Arthritis
- Rheumatoid arthritis: scope and prevalence
- Sensorineural hearing loss in rheumatoid arthritis
- Conductive loss and vestibular involvement in RA
Langerhans Cell Histiocytosis
- Langerhans cell histiocytosis: definition
- The three subtypes of Langerhans cell histiocytosis
- Temporal bone involvement in LCH
- Otologic examination findings in LCH
- Langerhans cells with admixed eosinophils
- Diagnosis and treatment of LCH
Paget's Disease of Bone
- Paget's disease: definition and epidemiology
- Temporal bone involvement and audiovestibular loss
- Temporal bone causes of sensorineural loss in Paget's
- Conductive mechanisms and diagnosis in Paget's
- Treatment of Paget's disease affecting the ear
Osteogenesis Imperfecta
- Osteogenesis imperfecta: genetics and phenotype
- Blue-grey discoloration of the sclera
- Hearing loss in osteogenesis imperfecta
- Mechanisms of hearing loss in OI
- Operative findings and stapes surgery outcomes
- Non-surgical management in OI
Fibrous Dysplasia
- Fibrous dysplasia: definition and presentation
- Subtypes of fibrous dysplasia
- Temporal bone involvement in fibrous dysplasia
- Radiologic diagnosis of fibrous dysplasia
- Management of temporal bone fibrous dysplasia
Osteopetrosis
- Osteopetrosis: mechanism and consequences
- Forms of osteopetrosis and their incidence
- Diffusely dense sclerotic bone on pelvic radiograph
- Temporal bone manifestations of osteopetrosis
- Radiologic and surgical considerations
- Medical treatment of osteopetrosis
Conclusion
- Clinical patterns worth carrying away
- Conclusions from the authors
- References
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- Haynes-Glasscock-Shambaugh Surgery of the Ear, Seventh Edition
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