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Family Practice: Radiology
Family Practice: Radiology
88
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Graduate
10/06/2012

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Term
Look at requirements for tension headache, migraine, and cluster headache.
Definition
Term
Which type of primary headache do you do initial imaging on, what type of imaging?
Definition
- Cluster headache
- MRI with and without contrast and MR angiography of circle of willis
Term
"worst headache of their life" thinking SA. What imaging?
Definition
- first CT scan, if this does not reveal SA do lumbar puncture
Term
CT scan reveals SA hemorrhage and pt is perilously ill/unstable. What now?
Definition
CT angiography
Term
CT shows SA hemorrhage, pt is unstable> CT angiography does not show bleed, what now?
Definition
MRI with and without contrast
Term
CT shows SA hemorrhage and pt is stable, what now?
Definition
Catheter Angiography (GOLD STANDARD)
Term
WHAT IS THE GOLD STANDARD NEXT STEP AFTER A CT REVEALS SA HEMORRHAGE?
Definition
CATHETER ANGIOGRAPHY
Term
If CTA, MRI, and Catheter angiography are all negative in proven SA on CT, what do you?
Definition
repeat CT angiography in 2 weeks
Term
Test of choice for HA caused by intraparenchymal hemorrhage?
Definition
CT without contrast
Term
Headache suspcious of tumor, what imaging study would you order?
Definition
MRI with and without contrast
Term
Isolated cranial nerve problems do not call for imaging. But if multiple cranial nerves involved or there are central symptoms, what imaging do you order?
Definition
MRI
Term
Sinusitis does not normally require imaging, but if it does, what do you order?
Definition
CT scan
Term
Palpable thyroid lesion, what now?
Definition
FNAB
Term
Non-thyroid neck mass. What now?
Definition
CT scan before biopsy
Term
Amaurosis fugax, what now?
Definition
- MRI of brain
- MRA or CTA of carotid arteries and the arch

(at very minimum ultrasound of neck vessels)
Term
acute monocular vision loss in young patient?
Definition
MRI with and without contrast to r/o Multiple Sclerosis
Term
Bitemporal hemianopsia. What imaging should you order?
Definition
MRI with and without IV contrast with focus on pituitary fossa
Term
younger patient with double vision. What should you order?
Definition
MRI with and without contrast to r/o Multiple Sclerosis
Term
In older patients with double vision you suspect a vascular cause. What should you order?
Definition
MRI with and without contrast and vascular imaging
Term
Trigeminal neuralgia is aka __ ___ and is characterized by __ __ facial pain. Since the same pain can be caused by __ __ or a __ __ __ __ and __ of the brain should be ordered with and without contrast.
Definition
- Tic douloureax
- unilateral lancinating facial pain
- Multiple Sclerosis
- Cerebellar pontine angle tumor
- MRI with and without contrast
Term
Objective tinnitus:
Definition
patient and examiner hear ringing from ears> vascular lesion

Order MRI and MRA or CTA of skull base and neck vessels
Term
Conductive hearing loss typically does not require imaging, but if it does order at :
Definition
CT of temporal bone
Term
Sensorineural hearing loss imaging:
Definition
MRI with and without contrast with thin cuts to exclude brainstem stroke, vestibular schwannoma, multiple sclerosis
Term
Vertigo with other central symptoms:
Definition
MRI with and without contrast with thin cuts through posterior fossa
Term
If you cannot tell if a neck mass is thyroid or non-thyroid, what should you order?
Definition
ultrasound
Term
A thyroid lesion found on ultrasound should be biopsied if it is greater than __ __.
Definition
15 mm
Term
Thyroid lesions found on ultrasound with microcalcifications should be biopsied if they are greater than __ __.
Definition
10 mm
Term
What type of imaging should you do on adult neck masses of unknown origin?
Definition
CT scan with contrast from aortic arch to skull base (head and neck), may also add chest ct if risk factors like smoking
Term
If CT scan and scopes do not identify a primary lesion when there is a neck mass of unknown origin, what next?
Definition
1. FNAB of the palpable lesion> if malignant> random biopsies of nasopharynx, tonsils, and base of tongue
Term
Red flags of back pain that necessitate MRI within one week:
Definition
- Personal hx of cancer
- Unremitting pain (no relief with position change or medications)
- Pediatric back pain
- Constitutional symptoms
Term
Synovial proliferation/cyst formation of the spine presents just like a ___.
Definition
HNP
Term
Plain films are unreliable for dx of __ stress fracture.
Definition
sacral
Term
__ shows bone marrow best.
Definition
MRI
Term
study of choice for evaluation of fracture age?
Definition
MRI
Term
Discography (controversial) is used to dx __ __ __ (controversial). Advocates say that injecting a symptomatic nucleus will cause pain but injecting a normal nucleus will not cause pain. Advocates say __ the painful level should alleviate the pain.
Definition
- internal disc derangement
- fusing
Term
How can you dx facet joint pain?
Definition
anesthetize median nerve
Term
If pt does well with anesthesia of median nerve branches which suggest __ __ __, what are they a candidate for?
Definition
- facet joint pathology
- rhizotomy
Term
what is rhizotomy and what is it used for?
Definition
- percutaneous lesioning of the nerves supplying the facet joint
- used for facet joint pathology
Term
3 options for tmt of large synovial cyst:
Definition
- NSAIDs
- Percutaneous rupture by placing needle in joint and vigorously injecting it> joint rupture> relieve radiculopathy
- Resect the joint and fuse the spine
Term
Should chest CT be ordered with or without contrast?
Definition
- with contrast if at all possible (do not use contrast with renal failure of if just monitoring a nodule)
Term
- Acute cough < 3 weeks, if accompanied by febrile illness or productive cough> CXR> pneumonia> sometimes may show pulmonary mass> CT
Definition
Term
What are the red flags of cough?
Definition
- fever
- sweats/chills
- unintentional weight loss
- hemoptysis
- dyspnea

if these are present> CXR and CT
Term
3 MCC of chronic cough?
Definition
- Post-nasal drip
- GERD
- Asthma
Term
chronic cough what to order?
Definition
CXR
Term
suspect GERD causing chronic cough. what do you order?
Definition
pH monitoring of esophagus or treat with H2 blockers
Term
suspect post-nasal drip causing chronic cough. what do you do?
Definition
- nasal glucocorticoids and/or oral antihistamines/decongestants
Term
Suspect asthma is cause of chronic cough. What do you do?
Definition
- spirometry and metacholine challenge
- bronchodilators
Term
Chronic cough unreponsive to ddx treatments or suspicous findings on CXR:
Definition
CT scan may show:
- bronchiectasis
- tumor
- interstitial lung disease> biopsy
Term
If ct shows interstitial lung disease what next?
Definition
lung biopsy
Term
Red flags of dyspnea and SOB:
Definition
- fever
- sweats/chills
- unintenional weight loss
- hemoptysis
Term
Severe acute dyspnea with CP ddx?
Definition
- Pneumothorax
- Pulmonary embolism
Term
Severe acute dyspnea with chest pain. What do you order?
Definition
CXR (will show pneumothorax)
Contrast enhanced CT to show PE
Term
If suspect PE order __ __, if elevated urgent __.
Definition
- D-dimer
- CT with contrast
Term
Symptomatic pulmonary nodule?
Definition
CT with possible CT guided biopsy, early referral to chest surgeon
Term
Lesion incidentally found on CXR, what now?
Definition
- CT scan, unless old xray shows stability for at least 2 years
Term
Features that deomonstrate a lesion is unequivocally benign on chest CT:
Definition
1. Calcifactions- esp uniformly or popcorn
2. Fat- completely fat- lipoma, fat and other tissues- hemartoma
3. Arterovenous malformation with draining and feeding vessels (embolize)
4. Stability of sequential scans (2 years)
Term
Ground glass nodule on CT scan:
Definition
biopsy
Term
lung nodule 4 mm or less, no risk factors?
Definition
nothing
Term
lung nodule 4 mm or less with risk factors?
Definition
CT scan at 12 months, if not change> stop
Term
lung nodule 5-6 mm, no risk factors?
Definition
CT scan at 12 months, no change> stop
Term
lung nodule 5-6 mm with risk factors?
Definition
CT scan at 6 months, no change, CT scan at 24 months
Term
lung nodule 7-8 mm no risk factors?
Definition
CT scan at 6 months, no change, CT scan at 24 months
Term
lung nodule 7-8 mm with risk factors?
Definition
CT scan at 3, 9, and 24 months
Term
lung nodule 9 mm or more no risk factors?
Definition
CT at 3,9, and 24 months, or PET scan, or biopsy
Term
lung nodule 9 mm or more with risk factors?
Definition
CT scan at 3, 9, and 24 months or PET scan or biopsy
Term
For lesions 8 mm or more it is smart to do a __ __.
Definition
PET scan
Term
normal postmenopausal endometrial stipe:
Definition
- < 5mm
- uniform thickness
- uniform hyperechoic
Term
Endometrial polyp are more common in women on __ or __. They will cause __ or __ thickening of the stipe.
Definition
- estrogen or tamoxifen
- diffuse or focal
Term
Thickending endometrial stripe postmenopasual always require:
Definition
biopsy
Term
when should you do an u/s on a premenopausal woman for abnormal uterine bleeding?
Definition
a few days after cessation of menses to avoid secretory endometrium
Term
Simple endometrial cysts have no __ components. If they are greater than __ __, they should be surgically epxlored.
Definition
- no solid
- 10 cm (premenopausal)
- surgically explored
Term
Postmenopausal ovarian cyst guidelines:
Definition
- surgically explore all greater than 5 cm or those correlated with elevated CA-125
Term
- Hemorrhagic ovarian cyst
- Characteristic appearance, enlarged heterogenous ovary
- Follow up study to confirm resolution
Definition
Term
- Endometriosis
- MR can be used to ID endometriomas
Definition
Term
- Ovarian torsion
- Ovary twists on its pedicle> compromises blood flow> pelvic pain, nausea, vomiting (looks like appendicitis)
- u/s> swollen ovary often with inflammatory free fluid
- Doppler studies may be abnormal but could be normal with intermittent torsion or b/c artery blood flow is only impeded after venous blood flow and venous flow not shown on doppler
Definition
Term
- PID- nml u/s until development of pyosalpinx
Definition
Term
- Degenerating uterine fibroid (undergoing hemorrhage or infarction> pelvic pain)
- U/S: anechoic/hypoechoic areas suggesting hemorrhage
- Color Doppler: lack of blood flow
Definition
Term
Complex adnexal lesions are __ and __. Dermoid cysts have a characteristic appearance on u/s and require surgery. Hemorrhagic cysts have a characteristic apperance and require follow up studies for resolution. ALL OTHERS SHOULD BE:
Definition
REFERRED TO GYN ONCOLOGY
Term
Most common causes of scrotal pain:
Definition
1. Torsion of testicular appendage
2. Epididymitis
3. Testicular torsion
Term
- Testicular torsion:
- U/S: swelling
- Color Doppler: anormal
- PULSED WAVE/SPECTRAL DOPPLER BETTER THAN color Doppler AND SHOULD BE USED ON ALL SCROTAL EXAMS
- PATIENTS WITH SEVERE INTERMITTENT OR SEVERE PERSISTENT PAIN SHOULD BE REFERRED TO UROLOGY REGARDLESS OF U/S RESULTS UNLESS CLEAR RESULT OF TORSION
Definition
Term
- Torsion of testicular Appendage
- u/s: normal or avascular structure
Definition
Term
- Epididymitis:
- PE: swollen and painful epididymis (postier superior testicle)
- U/S: enlarged epididymis with increased blood flow compared to other side on color doppler
- Causes of inflamed epididymis: trauma, straining, weight lifting, squats, bicycle, motorocycle riding, STDs
Definition
Term
Fornier's gangrene on ultrasound:
Definition
extensive skin thickening and hyperemia with normal testicles deep to abnormal superficial tissues > emergent referral and tmt
Term
A testicle in the inguinal canal can be seen on __. A testicle in the abdomen can be seen on __.
Definition
- ultrasound
- CT
Term
Varicoceles are d/t venous drainage reflux on the __ side. Bag of worms. Ultrasound will show __ __ __.
Definition
- left
- increased blood flow
Term
An epididycmal cyst is less than __ __, while a spermatocele is greater than __ __.
Definition
- epididymal cyst < 2 cm
- spermatocele is > 2 cm
Term
An epididymal cyst is less than:
Definition
less than 2 cm
Term
A spermatocele is greater than ___.
Definition
2 cm.
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