CDM Cases Flashcards
16yo L knee pain x2mo. pain at front of knee, below kneecap, worse with activity (running, walking up steps). no clicking, nl strength, tender over medial and lateral patella. no pain on joint lines.
DDx?
patellar instability
patellofemoral pain syndrome
synovial plica
16yo L knee pain x2mo. pain at front of knee, below kneecap, worse with activity (running, walking up steps). no clicking, nl strength, tender over medial and lateral patella. no pain on joint lines.
occasionally buckles, pops on standing,
signs/symptoms of underlying dx?
movie sign or theater sign
pain with stairs
pain with squatting
16yo L knee pain x2mo. pain at front of knee, below kneecap, worse with activity (running, walking up steps). no clicking, nl strength, tender over medial and lateral patella. no pain on joint lines.
occasionally buckles, pops on standing,
next steps in management?
activity modification
referral to physical therapy
medial knee pain ddx
medial compartment arthritis
MCL sprain
meniscus injury
pes anserinus pain syndrome
lateral knee pain ddx
lateral compartment arthritis
LCL sprain
meniscus injury
iliotibial band syndrome
focal anterior knee pain ddx
patellar or quadriceps tendinitis
prepatellar or infrapatellar bursitis
osgood-schlatter disease
synovial plica
vague anterior knee pain ddx
chondromalacia patellae patellofemoral pain osteoarthritis exacerbation chronic patellar dislocation/subluxation referred from hip avascular necrosis patellar stress fracture
posterior knee pain ddx
popliteal (baker’s) cyst
popliteal artery aneurysm or entrapment
hamstring strain
gastrocnemius strain
lachman/anterior drawer test
tibia pulled forward relative to femur
tests ACL
posterior drawer
tibia pushed backward relative to femur
PCL
mcmurray/apley, thessaly
meniscus compressed between femur and tibia with twisting motion
meniscus
ober’s test
the IT band put on stretch with the patient lying on their side
iliotibial band
patellar apprehension test
patella pulled to each side to test how far it will go and if the patient feels that it will dislocate patellar laxity (medial patellofemoral ligament)
varus stress
pressure placed medially to laterally on knee
LCL
valgus stress
pressure placed laterally to medially on knee
MCL
common treatment for ACL tear
surgery for younger individuals
conservative care and eventual replacement for older individuals with arthritis
common treatment for PCL tera
conservative therapy or surgery
common treatment for MCL sprain
conservative (therapy)
common treatment for LCL sprain
conservative (therapy) unless complete tear, then surgery
common treatment for meniscus tear
conservative (therapy) if degenerative or not causeing mechanical symptoms (catching, popping, or locking of the knee)
surgery for mechanical symptoms
common treatment for ITB syndrome
conservative (therapy)
42yo M with palpable thyroid nodule and otherwise normal thyroid. no sx thyroid.
most important next steps?
neck ultrasound
thyroid function test
42yo M with palpable thyroid nodule and otherwise normal thyroid. no sx thyroid.
TSH wnl, U/S reveals 2cm nodule with internal microcalcifications. FNA showed psammoma bodies.
what’s the diagnosis?
papillary thyroid cancer
42yo M with palpable thyroid nodule and otherwise normal thyroid. no sx thyroid.
TSH wnl, U/S reveals 2cm nodule with internal microcalcifications. FNA showed psammoma bodies.
undergoes total thyroidectomy for papillary thyroid cancer. now ha perioral numbness and tingling.
what’s the laboratory abnormality?
hypocalcemia
hypothyroidism