Opthal/Derm/ENT Flashcards
What is age-related macular degeneration characterised by?
Drusen (lipid material that collects beneath retinal pigment epithelium)
Choroidal neovascularisation (wet AMD)
Geographic atrophy (dry AMD)
Clinical features of age related macular degeneration
Blurred vision
Metamorphopsia - distorted vision, where straight lines (such as window blinds) appear crooked, wavy or bent.
Scotoma - black or grey patch appears in the central field of vision
Progressive deafness and ringing in both ears. Audiometry shows bilateral loss of hearing at the higher frequencies.
Presbycusis
Progressive conductive dwafness due to fixation of the stapes.
Otosclerosis.
Where are branchial cysts located?
Solitary painless mass in the neck of a child or a young adult.
What is a cystic hygroma?
arise from the jugular lymphatic sac. Occurs on the left side in the posterior triangle. soft painless masses that transilluminate brightly.
What is a thyroglossal cyst?
Found in the midline, between the thyroid and the hyoid. Cyst moves upwards when the patient protrudes the tongue.
Itchy subepidermal blisters on the elbows, scalps, shoulders and ankles strongly associated with coeliac disease.
Dermatitis herpetiformis.
Lichen simplex
Thickening of the skin with variable scaling that arises secondary to repetitive scratching or rubbing,
Common cause is eczema.
How does lichen simplex present?
Thickening of the skin with variable scaling that arises secondary to repetitive scratching or rubbing.
Localised dermarcated plaque usually with scaling, excoriations & lichenification (increased skin markings and thickened skin) on the surface.
Lichen planus
Pruritic, papular eruption characterised by its violaceous colour.
Found on the flexor surfaces of the upper extremeties.
Subacute visual loss, eye pain worse with eye movement and loss of colour vision (especially the colour red)
Optic neuritis.
What eye condition is most commonly seen with MS
Optic neuritis
What is uhtoff’s phenomenon?
Increased symptoms with hyperthermia
How do you investigate for optic neuritis
MRI