Board Review 2 Flashcards
Which primary malignancies are most associated with tumor emboli to the lung?
Breast, lung, prostate and stomach.
Discuss dx and tx when you see nodularity along the tracheal wall on CT?
Tracheobronchopathia osteochondroplastica. Etiology unknown. Men over 50. Confined to cartilaginous parts of airways. Nodules composed of cartilage or bone; may contain hematopoetic bone marrow elements. Biopsy via bronch quite hard. Asymptomatic to cough to hemoptysis to dyspnea. “Grating” or “scraping” sound with bronchoscope insertion. Remains stable or progresses very slowly. Case reports of laser therapy vs resection.
What part of the trachea is typically involved in amyloidosis?
The posterior membranous portion.
Biots breathing pattern =
Two to four breaths at a time with pauses between them. Regularly irregular. Long acting opiates, altitude, brainstem strokes.
Difference between metastatic and dystrophic pulmonary calcification?
Metastatic is in previously healthy lungs. Dystrophic is in previously injured lungs.
PSOG evidence of REM sleep?
1) REM’s in L- and R-EOG’s; 2) sawtooth theta waves in the EEG leads; 3) nearly absent chin EMG tone
What are signs that CPAP is too high for OSA?
arousals, air leak, central apnea, continuous artifact in snore channel
In LEMS, what are the auto-antibodies directed against?
P/Q voltage gated presynaptic calcium channel receptor
What was the definition of “low functional status” in NETT?
Exercise capacity under 50W.
Aside from the benefit seen in NETT among the under 50W/upper lobe disease group, who did very poorly with LVRS?
FEV1 under 20%, DLCO under 20%, homogenous disease
Medical management for C1 esterase inhibitor deficiency?
Androgenic steroids, Increases hepatic production of C1 esterase inhibitor.
Among patients receiving HSCT, is DAH more common among autologous or allogenic recipients?
Equivalent.
Treatment for babesiosis?
clindamycin plus quinidine
In studies of life-threatening pneumonia, what are the top two organisms isolated?
1) strep pneumo; 2) legionella
Persistent consolidation in the posterior basal segment of the LLL in a young smoker:
pulmonary sequestration; get a CT with contrast yo demonstrate a systemic (aortic) artery supplying the region
Where in the lungs does pulmonary sequestration occur?
90% in the lower lobes, 58% on the left side
Optimal treatment for benign subglottic stensosis?
neodymium:yttrium-aluminum-garnet (Nd:YAG) laser therapy; gentle serial dilations
First line in active TB in a pregnant patient?
INH, rifampin, ethambutol; avoid pyrazinamide and streptomycin
Discuss CVID.
Pulmonary manifestations: 1) minimal bronchiectasis, 2) sarcoidosis, 3) lymphoproliferative disorders. Most first develop symptoms in adulthood. Failure of B-cell differentiation and impaired immunoglobulin. Upper and lower respiratory tract infections, infectious diarrhea, meningitis, septic arthritis. Organisms: encapsulated bacteria, pneumocystis, NTM, fungi. Treat with IVIg. Low IgG, IgG subclasses, IgA. IgG may normalize in acute illness and total IgG may be normal.
Safety of antifungal therapy in pregnancy?
Amphotericin is actually preferred to the azoles (class B vs class C).
Word association: “cannibalistic” cells in BAL, giant cell interstitial pneumonia?
hard metal disease, cobalt-related ILD
Occupations that expose one to berrylium?
nuclear weapons, ceramics, computer manufacturing)
Characteristics of benign asbestos pleural effusions?
Small, unilateral, PMN-predominant, often eosiniphilic
Do the AVM’s in HHT have a pulmonary or bronchial arterial blood supply?
pulmonary artery
Regimens for latent TB:
1) INH daily/twice weekly for 9 months; 2) INH daily/twice weekly for 6 months; 3) INH plus rifapentene weekly for three months; 4) rifampin daily for 4 months
Histological findings in amiodarone lung toxicity?
interstitial thickening, accumulation of foamy macrophages in the alveoli
Amiodarone lung injury is rare among patients receiving less than ___ mg/day.
400
Pregnancy effects on PFT’s, ABG’s:
Decreased PaCO2; increased tidal volume; no real change in FEV1, FVC; decrease in ERV, RV, FRC
Best screening test for AVM’s in HHT?
bubble study echo
All pulmonary AVM’s with arteries at least ___ in diameter should be embolized.
3 mm
Cardiac sarcoid is clinically apparent in under __% of patients. The most common presentation is __. There is clear benefit to treatment with __.
10, complete heart block, corticosteroids
Best evidence supporting use of pulmonary rehab?
Lower extremity exercise improves exercise capacity, and PR reduces dyspnea.
Time course of radiation-induced lung disease?
Usually clinically apparent within 6-9 months, stable at 2 years.
Four laryngeal signs of GERD:
1) unilateral ulcerated nodule; 2) normal cords with subglottic stenosis; 3) bilateral cord nodules; 4) diffuse laryngeal erythema/hyperemia
When papillary thyroid cancer spreads to the lung, what radiographic pattern does it exhibit?
miliary spread
Renal angiolipomas are associated with…
both LAM and TS
Discuss Mournier-Kuhn syndrome.
Tracheobronchomegaly. 1) congenital; 2) poor clearance, recurrent respiratory infections, bronchiectasis
Triad of Young’s syndrome
infertility, bronchiectasis and sinus infections
Summarize the MWT.
Maintenance of wakefulness test. Sit in a dark room for 40 minutes and stay awake. Not well correlated with anything, of questionable utility.
Ranges of Hounsfeld Units for common lung nodules:
lipomas -50 to -300; soft tissue nodules/masses: 10-70; calcification: 100-400; air: -1,000; bone: 1000; water: 0; normal lung: -750
How fast does pCO2 rise in an apneic patient?
3-6 mmHg/min
What immunodeficiency is associated with ITP, AHA, vitiligo, alopeica, etc?
CVID
Recurrent sino-pulmonary infections and recurrent skin infections:
chronic granulomatous disease
Osteoporosis risk in LMWH vs UFH?
less common in LMWH
Discuss mediastinal lipomatosis.
anterior mediastinal fat, diagnosed on CT, benign, no further workup needed; associated with obesity, glucocorticoid use, Cushing’s syndrome
In a patient s/p recent right heart cath, a contrast-enhancing mass is seen on CT. Diagnosis? Next step?
pulmonary artery pseudoaneurysm; catheter tip spears the lumen wall or the balloon dilates a small vessel; often cause immediate frank hemoptysis, but can be more indolent; next step is pulmonary angiography with wire coil embolization