Chest Flashcards
Bizarre shaped apical predominant cysts in a female smoker?
Langerhans Cell Histiocytosis.
Pleural drop mets with heterogenous mediatstinal mass- adult?
Thymoma.
Infxn of lateral pharyngeal space and septic thrombosis of jugular vein. +/- septic pulmonary emboli.
Lemierre Syndrome
inferior border of the superior mediastinum?
oblique plane from the sternal-manubrial jxn
interstitial thickening and miliary calcified nodules
viral pna- varicella/chicken pox and rarely flu
Reverse halo sign
cryptogenic organizing pna
Causes of crazy paving
GGO w/ interlobular septal thickening and intralobular reticular thickening
Common causes: ARDS, PNA, pulmonary alveolar proteinosis (PAP)
Less common causes: drug-induced pneumonitis, radiation pneumonitis, diffuse pulmonary haemorrhage, Goodpasture, chronic eosinophilic pna, UIP w/ DAD, sarcoid… etc
Multiple AVMS in the lungs?
HHT
Hereditary hemorrhagic telengiectasia/Osler Weber Rendau syndrome
Panlobular emphsymetaous changes in a young person?
alpha 1 antitrypsin deficiency
Rasmussen aneurysm
TB cavity weakens pulmonary artery
Multifocal hypervascular lymphadenopathy in a patient with HIV?
Multicentric Castleman’s dz
Kaposi is legit ddx too
Thin-walled pulmonary cysts in a patient with Sjogren’s syndrome?
LIP
lymphocytic interstitial pneumonia
bilateral parenchymal opacities in a patient with hx of heroin overdose
heroin induced pulmonary edema
on a lateral view, which ribs are typically magnified?
R
Opacity in the Raider Triangle = ?
Aberrant right subclavian artery
poserior border of anterior mediastinum?
pericardium
on PA view of chest, a mass above the clavicals is located where?
posterior mediastinum
cervicothoracic sign
How many layers of pleura make azygous lobe?
4
air trapping or recurrent infxns in patient with variant tracheal anatomy?
pig bronchus/tracheal bronchus/bronchus suis
MC pulmonary veinous anatomic variation?
separate vein draining the RML- 30% of the time.
Volume loss of one- hemithorax and only one PA
proximal interruption of the pulm artery
(unilateral absence)
MC cause of PNA in AIDS patient
S. pneumo
lower lobes
can be sever in SS pts post splenectomy
PNA that can make abscess, bronchopna with patchy opacities
S. aureus
bilateral
endocarditis
hemorrhagic lymphadenitis, mediastinitis, hemothorax
mediastinal widening with pleural effusion
anthrax
bioterrorism
COPDers and people without spleens, bronchitis, sometimes B lower lobe pna
H. flu
ICUers on vents/CF/Primary Ciliary Dyskinesias
pseudomonas
COPDer around a crappy AC. peripheral sublobar airspace opacities
Legionella
x-ray tends to lag behind resolution of symptoms
aggro pna with rib osteo and chest wall invasion
actinomycosis: dental procedure gone bad, mandible osteo -> aspiration
Pulm findings in chronic GVHD?
lymphocytic infiltration of airways and obliterative bronchiolitis
pulmonary findings in early neutropenic BMT?
pulm edema, hemorrhage, drug-induced lung inj
fungal pna (invasive aspergillosis)
pulmonary findings in early BMT? 30-90days
PCP, CMV
pulmonary findings in late BMT? >90 days
bronchiolitis obliterans, cryptogenic organizing pna
AIDS infxns w/ ct >200
bacterial, TB
AIDS infxns w/ ct <200
PCP, atypical mycobateria
feeling funky- dancing the line before <100, so you take some PCP or you get atypical
AIDS infxns w/ ct <100
CMV, disseminated fungal, mycobacterial
pt with AIDS: what can a focal airspace opacity represent?
Bacterial infxn (s. pna MC)
TB if low CD4
If chronic- think lymphoma or kaposi
pt with AIDS: what can multi-focal opacities rep?
bacterial, fungal
pt with AIDS: what doe GGOs rep?
THIS IS PCP
can be CMV if ct is <100
what does PCP look like?
GGOs
peripheral sparing
30% of the time, cysts -> ptx
flame shaped perihilar opacity in AIDS
kaposi sarc
AIDS patient with cysts
LIP
Which TB forms cavitate?
Post primary and primary progressive
calcificed TB granuloma
Ghon lesion- sequela of primary TB
Calcified TB granuloma + calcified hilar node
Ranke complex
healed primary TB
old white man with COPD with cavitary lesion
MAC
looks like reactivation TB
RML bronchiectasis and tree-in-bud opacities and bronchiectasis
Bronchiectactic MAC
“Lady Windermere” disease
ill-defined, gg centrilobular nodules
Hypersensitivity pneumonitis/ hot-tub lung
You are shown a fungus ball in an exisiting cavity
aspergilloma
normal immune
consolidative nodule/mass with ground glass halo
and or air crescent sign
immune suppressed patient with invasive aspergillus
upper lobe central sacular bronchiectasis with mucoid impaction (finger-in-glove)
hyper-immune patient/asthmatic with ABPA (allergic broncho-pulmonary aspergillosis)
aggro fungal infxn with invades mediastinum, pleura, and chest wall
mucormycosis
features of pulm measels?
multifocal ggo, small nodular opacities
features of pulm influenza
coalescent LL opacity
pulm features of SARS
LL predominant ggo’s
pulm features of caricella
mult perpheral nodular opacities
Mnemonic for cavitary lung lesion?
Cavity: cancer, usually squamous cell
Autoimmune: wegeners, rheumatoid, caplan syndrome
Vascular: septic emobli/bland emboli
Infxn: TB
Trauma: pneumatoceles
Young: congenital ccams and sequestration
septic emboli after ENT surgery or oropharyngeal infxn
Lemierre Syndrome
fusobacterium necrophorum
Exceptions to benign pulm nodule calcs?
hx of GI cancer
osteosarc
Most suspicious morphology of pulm nodule?
part solid lesions with ground glass component
lung CA that is central, assoc with smoking, cavitates
Squamous
can get ectopic PTH production
lung CA that is central, central lymphadenopathy
Small cell
paraneoplastic: SIADH and ACTH
death sentence
Lung CA usually peripheral, large
Large cell
bad prognosis
lung CA that is peripheral, upper lobes, MC subtype overall, happens in setting of lung fibrosis
adenocarcinoma
precursor of adenocarcinoma
atypical adenomatous hyperplasia of lung (AAH)
adenocarcinoma in situ
less than 3 cm
MC is non-mucinous one
minimally invasive adenocarcinoma (MIA)
<3cm. also <5mm stromal invasion.
if greater than 5mm, lepidic predominant adeno
AIDS patient with lung nodules, pleural effusion, and lymphadenopathy
ARL/AIDS relatd pulmonary lymphoma
2nd MC lung tumor in AIDS to Kaposi
Which sequestration presents in adolescence and which in infancy?
adol/adulthood: intralobar with rucurrent pnas (uaully LLL)
infancy: extralobar. assoc with CCAM, diaphram hernia, vert anomalies, congen heart dz, rarely gets infected
LCH (langerhans cell histiocytosis)
young smokers
bizarre shaped cysts (initially nodules)
gets better if you quit smoking
spares costophrenic angles
which cystic lung disease accompanies tuberous sclerosis?
LAM- you can be shown kidneys with mult AMLs
LIP is associated with what other dz processes?
sjogrens and HIV in adults and HIV in kids
AIDS + ground glass lungs
PCP (pneumocystis pneumonia)
cavitation in the setting of silicaosis?
TB
Which ILD is most common with scleroderma?
NSIP
What are the stages of CHF?
- “Redistribution”= wedge pressure of 13-18-> cephalization, cardmeg
- “interstitial edema” = wedge pressure of 18-25 -> kerley, peribronch cuffing, indistinct pulm vasc
- “alveolar edema”= wedge of >25, airspace fluffy opacity, pleural effs
air trapping on expiration at or after 6 months from lung transplant
chronic rejection/ bronchiolitis obliterans
interlobular septal thickening and ground glass
crazy paving= pulmonary alveolar proteinosis
in real life, this can also be edema, hemorrhage, bronchoalveolar carcinoma, interstitial pna
tx with bronchoalveolar lavage
diffuse thickening of the trachia that spares the posterior membrane
relapsing polychondritis
circumferential thickening of th trachea- varying extent, without calcs
wegener’s
tracheal pathology that spares posterior membrane- cartilagenous and osseous nodules within the submucosa of the tracheal and bronial walls
tracheobronchopathia osteochondroplastica (TBO)
irregular focal/short segment thickening of the trachea and posterior membrane- calcs common
amyloidosis
apical predominant bronchiectasis
CF
basilar is ciliary dyskinesia
Mournier-Kuhn
ridic huge trachea
Williams campbell syndrome
congenital cystic bronchiectasis in 4th-6th order bronchi
what collagen vascular disease looks like UIP and COP?
RA.
Which pulmonary path is related to sjogrens?
LIP
shortness of breath when sitting up
hepatopulmonary syndrome
they’ll need to give you hx of liver disease
randomly distributed nodules with cavitation (not infectious)
Wegener’s
autoimmune pulmonary renal syndrome which resolves quickly- coaslescent airspace opacities (look like edema, but are hemorrhage)
goodpasture’s
classic location for pericardial cyst
right anterior cardiophrenic angle