ddx Flashcards

Question

embolus

Answer 1

cardiac myxoma left / IV drug / purtscher ret (chest trauma or long bone fracture)

Answer 2

diabetes cnv htn less - MA, coats (children), peripheral retinal cap hemang, RVO, papiledema, radiation ret

Answer 3

``` retrobulbar ON cone degeneration stargardt or ff ON rod monochromatism amblyopia funct ```

Answer 4

``` orb or intracranial tumour crvo chronic pap e,g, IIH CACG optic nerve glioma ```

Answer 5

post pole - DM, CRVO peri - sickle cell ret, BRVO, sarcoid,, syphilis, OIS, pars planitis, coats, ROP, chronic uveitis, leukaemia, eales disease, familial exudative vitreoretinopathy

Answer 6

dm leukaemia septic chorioretinitis less - pernicious anaemia, sickle cellm scurvy, SLE and other conn tissue disorder

Answer 7

syphilis sarcoid pars planitis sickle cell less - TB, MS, eales, viral retinitis (HIV), behcets, fungal retinitis, bacteraemia

Answer 8

nevus melanoma (T>2 F (SRF) S (F/F) O (pig) M <3mm ONH) CHRPE (flat black crisp margin peripheral surroundinng depig and pig halo) reactive hyperplasia or RPE - flat black irreg margins - prev trauma or inflam - multifocal Sub ret blood melanocytoma of ON choroidal detach

Answer 9

hemangioma - red-orange maybe elevated met - cream or light brown, SRF, multifocal, BL choroidal osteoma (young woman) post scleritis lymphoma sclerochoroidal calcification

Answer 10

``` glaucoma suprachoroidal haem hyphaema cc fist retrobulbar haem orbital disease ```

Answer 11

``` rupture phthisis bulbi retinal / choroidal detach dehydration iridocyclitis cyclodialysis cleft ocular ischaemia drugs traumatic ciliary body shutdown ```

Answer 12

``` cong horner fuchs hic chronic uveitis xanthogranuloma met carc waardenburg syndrome ```

Answer 13

``` ocular melanocytosis or oculodermal mel... hemosiderosis siderosis retained IOFB ocular melanoma or nevus retinoblastoma leuk/lymph ICE Fuch HIC ```

Answer 14

PIG nevus / mel / adeno of iris pigment epi NON PIG amelanotic mel / inflam nod (sarcoid-tb-leprosy) / neurofibroma / syphilis / juvenile xanthogranuloma / IOFB / leiomyoma / post seg tumour seed

Answer 15

``` dm ois crao/brao chronic uveitis chronic ret det tumour other ret vasc disease ```

Answer 16

``` pxf trauma (if >25% zon) marfan (sup temp - BL) homocystonuria (inf nas - BL) wells-marchesani syndrome (small lens to AC) ``` other - syph, cong, aniridia, ehler danlos, crouzon, high myope , hyper mature cat, hyperlysinema, sulfite oxidase deficiency

Answer 17

``` drugs hypo ca myotonic dystrophy hypothyroid familial ```

Answer 18

anterior - alport | post - idiopathic

Answer 19

severe - ON, ischaemic ON, CRAO, optic chiasm or tract lesion mild - amblyopia, dense vit haem, advance MD, BRVO or AO, ret det

Answer 20

``` pilocarpine iritis horner argyll robertson chronic adie ```

Answer 21

mydriatic adie CN3 physiologic

Answer 22

w prop - orbital disease w/o prop - CN palsy, MG, chronic prog external ophthalmoplegia, entrapment, ophthalmoplegic migraine, duane syndrome, CNS disorder

Answer 23

glaucoma, crv or ao, prev ischaemic ON, chronic ON, chronic pap, compressive ON/tract/rad, prev traumatic ON less - syphilis, ret degen, toxicm metabolic, leber, lysosomal storage, radiation

Answer 24

``` pseudo (OND / congentical anomaly) papillitis HTN CRVO ischaemic ON infiltrate (sarcoid tb leuk met) leber ONH tumour diabetic papillopathy thyroid related uveitis - syph sarc amiodarone ```

Answer 25

``` cong stationary night blindness cong achromatopsia on hypoplasia leber cong amaurosis best ON dominant optic atrophy albinism RP amblyopia ```

Answer 26

thyroid orbitopathy idiopathic orbital inflam syndrome less - tumour lymph met lac gland spread, cc fist, SOV thromb, cavernous hemangioma, rhabdomyosarcoma

Answer 27

sarcoid IOIS infection benign mixed epitheliual tumour (pleiomorphic adeno) dermoid cyst lymphoproliferative tumour adenoid cystic carcinoma malignant mixed epithelial tumour (pleiomorphoc adenocarcinoma) lacrimal gland cyst (dacryops) TB / syph / leuk / met / muscoepidermoid carc / plasmcytoma)

Answer 28

glioma (kids) meningioma (adults) less - met, leuk, IOIS, sarcoid, ICP increase w ONH swell

Answer 29

pseudoprop - enlarge globe, eno fellow eye, eyelid position inflam - TED, IOIS, sarc, weg etc infect - cell, subperiosteal abscess neo - dermoid, cap hemang, rhabdomyosarc, met, lymphangioma, ON glioma, neurofibroma, leuk, lyphoma, neurilemmoma, mucocele trauma - #, retrobulb h, fb, cc fist malformation - congm vascular etc

Answer 30

``` retinoblastoma, toxocariasis, coats persistent fetal vasc / persistent hyperplastic prim vit cataract retinal astrocytoma ROP ``` other - coloboma, ret det, FEVR, myelimated nerve fibre, toxo

Answer 31

``` congenital albinism leber congenital amaurosis cns injury (thalamic) spasmus mutans optic nerve or chiasmal glioma on hypo cataract aniridia cong corneal opacity ```

Answer 32

IOP high - pupil block, sch, malignant glau iop low - wound leak, choroidal detach, over filtration

Answer 33

``` wound leak choroidal detach ciliary body shutdown cyclodialysis cleft ret det drugs ```

Answer 34

``` orbital tumour csr post scleritis presbyopia hypoglycaemia cataract refractive surg ```

Answer 35

``` myopia diabetes cataract staphyloma corneal ectasia miotic or sulfur drugs ```

Answer 36

ION BRVO or hemi ON less glauc, ON lesion or chiasm, ON coloboma

Answer 37

glaucoma less - ION, drusen, high myope ON

Answer 38

glaucoma, bitemp retinal disease e.g. rp rare - bilat occipital disease, tumor or aneurysm comp both on or chiasm, chiasmatic arachnoiditis, nonphysiologic

Answer 39

chiasm lesion (pituitary adenoma, menigioma, craniopharyngioma, aneurysm, glioma) less common - tilted discs rare - nasal RP

Answer 40

pap, glauc, drusen, coloboma, myelinated, drugs, myopic disc, MEWDS, acute idiopathic blindspot elargement

Answer 41

mac disease. on, ION, optic neuropathy rare - occipital lesion

Answer 42

glaucoma, RP, gyrate, chronic pap, PRP, crao w cilioretinal sparing, bilateral occ CVA mac spare, carcinoma, melanoma, AI assoc retinopathy, drugs, vit a defic

Answer 43

optic tract or lgn lesion; temp or parietial or occ lesion more = stroke, tumour less = aneurysm trauma

Answer 44

``` ateroid hyalosis synchisis scintillans vit haem inflam age relat fb hyaloid remnants amyloidosis or whipple ```

ddx Flashcards

(68 cards)