XVI.ai

Imaging: A 'tree-in-bud' pattern

See PMID 22343402 & 23948769. Careful consideration of diffuse aspiration bronchiolitis is indicated (PMID 25972969)

Last update : 01/01/1970
 

Causative drugs

9

Abused drugs/substances (illicit-, street drugs - IV/inhaled)

I.e I - Interstitial/parenchymal lung disease
I.e - Acute eosinophilic pneumonia (AEP)
I.j I - Interstitial/parenchymal lung disease
I.j - Exogenous lipoid pneumonia (subacute, acute)
I.m I - Interstitial/parenchymal lung disease
I.m - ILD with a granulomatous component
I.s I - Interstitial/parenchymal lung disease
I.s - A mass or masses
I.t I - Interstitial/parenchymal lung disease
I.t - Pneumoconiosis (silicosis, talcosis...)
II.b II - Pulmonary edema - Acute lung injury - ARDS
II.b - ARDS - Acute lung injury
III.a III - Pulmonary/alveolar./airway hemorrhage/bleeding
III.a - Alveolar hemorrhage, diffuse (DAH)
IV.a IV - Airway involvement
IV.a - Bronchospasm - Wheezing - Asthma
IV.f IV - Airway involvement
IV.f - Severe or catastrophic bronchospasm or asthma attack (can be fatal)
IV.g IV - Airway involvement
IV.g - Cough syncope
V.f V - Pleural and/or pericardial involvement
V.f - Pneumothorax
V.q V - Pleural and/or pericardial involvement
V.q - Empyema
V.ab V - Pleural and/or pericardial involvement
V.ab - Pneumothorax, bilateral
VI.b VI - Pulmonary vasculopathies
VI.b - Pulmonary arterial hypertension
VI.c VI - Pulmonary vasculopathies
VI.c - Pulmonary veno-occlusive disease
VI.g VI - Pulmonary vasculopathies
VI.g - Foreign body pulmonary vasculopathy (Excipient lung disease)
VI.i VI - Pulmonary vasculopathies
VI.i - Acute pulmonary hypertension
VI.j VI - Pulmonary vasculopathies
VI.j - Mercury pulmonary embolism
VI.r VI - Pulmonary vasculopathies
VI.r - Septic pulmonary embolism
VI.t VI - Pulmonary vasculopathies
VI.t - Pulmonary artery aneurysm(s)
VII.h VII - Mediastinal involvement
VII.h - Pneumomediastinum
VII.i VII - Mediastinal involvement
VII.i - Mediastinitis
VIII.c VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.c - Upper airway obstruction other than angioedema or hematoma
VIII.d VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.d - Thermal (burns, frostbite), chemical or caustic facial and/or airway injury
VIII.ai VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.ai - Nasal, palatal and/or pharyngeal pathology
IX.a IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.a - Diaphragm/inspiratory muscle weakness/paralysis (w/wo ARF)
IX.s IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.s - Botulism (foodborne-, wound-)
IX.ah IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.ah - Acute myelopathy (can cause ARF)
X.m X - Systemic/Distant conditions, syndromes and reactions
X.m - Vascultis (pulmonary, extrathoracic or systemic)-ANCA status unknown or negative)
X.u X - Systemic/Distant conditions, syndromes and reactions
X.u - Multiple organ dysfunction/failure (MODS/MOF)
X.ac X - Systemic/Distant conditions, syndromes and reactions
X.ac - Anti-GBM antibody disease (Goodpasture-like or flare of preexisting GS)
X.bb X - Systemic/Distant conditions, syndromes and reactions
X.bb - Foreign body (talc, cornstarch) retinopathy
XI.b XI - Miscellaneous
XI.b - Chest pain (acute or subacute), lone or prominent
XI.g XI - Miscellaneous
XI.g - Aspiration, aspiration pneumonia (w/wo demonstrable pharyngeal dysmotility)
XI.m XI - Miscellaneous
XI.m - Pulmonary emphysema - Lung cysts or bullae
XI.r XI - Miscellaneous
XI.r - Death following exposure or poisoning
XII.g XII - Cardiovascular involvement / toxicity
XII.g - Coronary artery disease (acute) - Myocardial ischemia/infarction
XII.i XII - Cardiovascular involvement / toxicity
XII.i - Endocarditis (infective)
XII.v XII - Cardiovascular involvement / toxicity
XII.v - Hypertrophic cardiomyopathy
XV.q XV - Pathology
XV.q - Path: Foreign body deposits/granulomatous reaction
XV.s XV - Pathology
XV.s - Path: Pneumoconiosis (silicosis, talcosis, talcoma)
XV.v XV - Pathology
XV.v - Path: Micronodular organizing pneumonia/BOOP
XV.ag XV - Pathology
XV.ag - Path: Foreign body embolism, microangiopathy, vasculopathy
XV.al XV - Pathology
XV.al - Path: Pulmonary hypertension incl. angiomatoid vasculopathy
XVI.u XVI - Imaging
XVI.u - Imaging: A miliary pattern (diffuse random micronodules)
XVI.v XVI - Imaging
XVI.v - Imaging: Centrilobular micronodules (can be diffuse)
XVI.ab XVI - Imaging
XVI.ab - Imaging: Cavitating/cavitary lung nodule, mass or nodules (see also Iq, XIs, XIIi, XVIaa and XVIIp)
XVI.ae XVI - Imaging
XVI.ae - Imaging: A pattern similar to pneumoconiotic progressive massive fibrosis (PMF)
XVI.af XVI - Imaging
XVI.af - Imaging: Lung cysts or bullae (see also XVI ah/bf)
XVI.ai XVI - Imaging
XVI.ai - Imaging: A 'tree-in-bud' pattern
XVII.a XVII - Infections & related conditions
XVII.a - Respiratory tract infection incl. pneumonia
XVII.b XVII - Infections & related conditions
XVII.b - Opportunistic pulmonary/systemic infection
XVII.g XVII - Infections & related conditions
XVII.g - Tuberculosis (pulmonary, pulmonary, extrapulmonary or disseminated). Reactivation or de novo
XVII.p XVII - Infections & related conditions
XVII.p - Lung abscess/abscesses (see also VIr)
XVII.s XVII - Infections & related conditions
XVII.s - Sternoclavicular septic arthritis
XVII.u XVII - Infections & related conditions
XVII.u - Epidural abscess
XVII.al XVII - Infections & related conditions
XVII.al - Osteomyelitis (notably of thoracic bones)
XVIII.t XVIII - Distinctive patterns - 'Eye-catchers'
XVIII.t - Eye catcher: Purpuric/Ecchymotic/Cyanotic lesions of the earlobes and/or nose
XVIII.u XVIII - Distinctive patterns - 'Eye-catchers'
XVIII.u - Eye catcher: Talc retinopathy
2

BCG therapy (topical instillations in the urinary bladder)

I.a I - Interstitial/parenchymal lung disease
I.a - Pneumonitis (ILD), acute and/or severe (may cause ARDS)
I.b I - Interstitial/parenchymal lung disease
I.b - Pneumonitis (ILD)
I.c I - Interstitial/parenchymal lung disease
I.c - Eosinophilic pneumonia (pulmonary infiltrates and eosinophilia)
I.l I - Interstitial/parenchymal lung disease
I.l - Diffuse alveolar damage (DAD) (see alsoo under IIb and XVf)
I.m I - Interstitial/parenchymal lung disease
I.m - ILD with a granulomatous component
II.b II - Pulmonary edema - Acute lung injury - ARDS
II.b - ARDS - Acute lung injury
IV.d IV - Airway involvement
IV.d - Cough (lone)
V.a V - Pleural and/or pericardial involvement
V.a - Pleural effusion
VII.a VII - Mediastinal involvement
VII.a - Lymphadenopathy (intrathoracic)
VII.e VII - Mediastinal involvement
VII.e - Granulomatous mediastinal lymphadenopathy
VIII.c VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.c - Upper airway obstruction other than angioedema or hematoma
IX.r IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.r - Myasthenia gravis - Myasthenic-like syndrome
IX.ab IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.ab - Guillain-Barré (or GB-like) syndrome (w/wo ARF)
X.g X - Systemic/Distant conditions, syndromes and reactions
X.g - Hypersensitivity reaction (may manifest with fever and/or skin, throat or airway involvement)
X.l X - Systemic/Distant conditions, syndromes and reactions
X.l - Systemic granulomatosis other than Xk
X.m X - Systemic/Distant conditions, syndromes and reactions
X.m - Vascultis (pulmonary, extrathoracic or systemic)-ANCA status unknown or negative)
X.u X - Systemic/Distant conditions, syndromes and reactions
X.u - Multiple organ dysfunction/failure (MODS/MOF)
XV.e XV - Pathology
XV.e - Path: ILD with a granulomatous component (see also Im)
XV.f XV - Pathology
XV.f - Path: Diffuse alveolar damage (DAD-pattern) (see also IL)
XV.ba XV - Pathology
XV.ba - Path: Granulomatous lymphadenopathy
XV.cg XV - Pathology
XV.cg - Path: Granulomatous hepatitis
XVI.u XVI - Imaging
XVI.u - Imaging: A miliary pattern (diffuse random micronodules)
XVI.ai XVI - Imaging
XVI.ai - Imaging: A 'tree-in-bud' pattern
XVII.f XVII - Infections & related conditions
XVII.f - Tuberculosis, miliary
XVII.i XVII - Infections & related conditions
XVII.i - Mycobacterium bovis/BCG infection
1

Marijuana, cannabis (haschish, hash, bang, dab)

I.a I - Interstitial/parenchymal lung disease
I.a - Pneumonitis (ILD), acute and/or severe (may cause ARDS)
I.c I - Interstitial/parenchymal lung disease
I.c - Eosinophilic pneumonia (pulmonary infiltrates and eosinophilia)
I.e I - Interstitial/parenchymal lung disease
I.e - Acute eosinophilic pneumonia (AEP)
I.j I - Interstitial/parenchymal lung disease
I.j - Exogenous lipoid pneumonia (subacute, acute)
I.n I - Interstitial/parenchymal lung disease
I.n - Pulmonary alveolar proteinosis (PAP)
I.t I - Interstitial/parenchymal lung disease
I.t - Pneumoconiosis (silicosis, talcosis...)
I.an I - Interstitial/parenchymal lung disease
I.an - Hypersensitivity pneumonitis pattern
I.ao I - Interstitial/parenchymal lung disease
I.ao - Pulmonary infiltrates, not specified otherwise
II.b II - Pulmonary edema - Acute lung injury - ARDS
II.b - ARDS - Acute lung injury
III.a III - Pulmonary/alveolar./airway hemorrhage/bleeding
III.a - Alveolar hemorrhage, diffuse (DAH)
III.c III - Pulmonary/alveolar./airway hemorrhage/bleeding
III.c - Hemoptysis
IV.d IV - Airway involvement
IV.d - Cough (lone)
V.f V - Pleural and/or pericardial involvement
V.f - Pneumothorax
V.ab V - Pleural and/or pericardial involvement
V.ab - Pneumothorax, bilateral
VII.h VII - Mediastinal involvement
VII.h - Pneumomediastinum
VIII.w VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.w - Uvulitis, uvular edema
IX.d IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.d - Respiratory failure from ventilatory depression
X.f X - Systemic/Distant conditions, syndromes and reactions
X.f - Anaphylaxis-Anaphylactoid reaction (can be fatal)
X.ac X - Systemic/Distant conditions, syndromes and reactions
X.ac - Anti-GBM antibody disease (Goodpasture-like or flare of preexisting GS)
XI.b XI - Miscellaneous
XI.b - Chest pain (acute or subacute), lone or prominent
XI.m XI - Miscellaneous
XI.m - Pulmonary emphysema - Lung cysts or bullae
XI.s XI - Miscellaneous
XI.s - Sniffing death - Death from inhalation of compound
XI.av XI - Miscellaneous
XI.av - Deterioration of graft function in SOT recipients
XII.c XII - Cardiovascular involvement / toxicity
XII.c - Pericardial effusion (w/wo tamponade)
XII.d XII - Cardiovascular involvement / toxicity
XII.d - Myocarditis (can be fulminant)
XII.g XII - Cardiovascular involvement / toxicity
XII.g - Coronary artery disease (acute) - Myocardial ischemia/infarction
XII.l XII - Cardiovascular involvement / toxicity
XII.l - Cardiac arrhythmias or dysrhythmias (AF, VT, VF, TdP)
XII.s XII - Cardiovascular involvement / toxicity
XII.s - Heart block (bundle branch- or AV-)
XII.w XII - Cardiovascular involvement / toxicity
XII.w - Asystole
XII.af XII - Cardiovascular involvement / toxicity
XII.af - Coronary vasospasm - Vasospastic angina
XII.ap XII - Cardiovascular involvement / toxicity
XII.ap - Coronary artery dissection
XIII.a XIII - Neoplastic conditions
XIII.a - Lung cancer
XV.k XV - Pathology
XV.k - Path: Desquamative interstitial pneumonia (DIP-pattern)
XV.n XV - Pathology
XV.n - Path: Pulmonary alveolar proteinosis pattern (PAP pattern)
XV.p XV - Pathology
XV.p - Path: Exogenous lipoid pneumonia
XV.q XV - Pathology
XV.q - Path: Foreign body deposits/granulomatous reaction
XV.s XV - Pathology
XV.s - Path: Pneumoconiosis (silicosis, talcosis, talcoma)
XV.v XV - Pathology
XV.v - Path: Micronodular organizing pneumonia/BOOP
XVI.ai XVI - Imaging
XVI.ai - Imaging: A 'tree-in-bud' pattern
XVII.a XVII - Infections & related conditions
XVII.a - Respiratory tract infection incl. pneumonia
XVII.c XVII - Infections & related conditions
XVII.c - Aspergillosis, pulmonary (invasive, allergic [ABPA], or mycetoma)
XVII.g XVII - Infections & related conditions
XVII.g - Tuberculosis (pulmonary, pulmonary, extrapulmonary or disseminated). Reactivation or de novo
1

Nivolumab

I.a I - Interstitial/parenchymal lung disease
I.a - Pneumonitis (ILD), acute and/or severe (may cause ARDS)
I.b I - Interstitial/parenchymal lung disease
I.b - Pneumonitis (ILD)
I.c I - Interstitial/parenchymal lung disease
I.c - Eosinophilic pneumonia (pulmonary infiltrates and eosinophilia)
I.d I - Interstitial/parenchymal lung disease
I.d - Organizing pneumonia pattern (an area or areas of consolidation on imaging)
I.e I - Interstitial/parenchymal lung disease
I.e - Acute eosinophilic pneumonia (AEP)
I.f I - Interstitial/parenchymal lung disease
I.f - Acute fibrinous organizing pneumonia (AFOP)
I.h I - Interstitial/parenchymal lung disease
I.h - Subclinical pulmonary infiltrates/ILD
I.ad I - Interstitial/parenchymal lung disease
I.ad - Radiation recall pneumonitis
I.aj I - Interstitial/parenchymal lung disease
I.aj - Shrinking lung syndrome
II.b II - Pulmonary edema - Acute lung injury - ARDS
II.b - ARDS - Acute lung injury
II.d II - Pulmonary edema - Acute lung injury - ARDS
II.d - Pulmonary edema, cardiogenic
III.g III - Pulmonary/alveolar./airway hemorrhage/bleeding
III.g - Bleeding/hemorrhage from/around preexisting lung tumor (Localized AH)
III.j III - Pulmonary/alveolar./airway hemorrhage/bleeding
III.j - Anti-GBM-related pneumorenal syndrome and DAH (Goodpasture) or flare of
III.m III - Pulmonary/alveolar./airway hemorrhage/bleeding
III.m - Coagulopathy
IV.a IV - Airway involvement
IV.a - Bronchospasm - Wheezing - Asthma
IV.c IV - Airway involvement
IV.c - Obliterative bronchiolitis (a pattern consistent with) (see also IVn, XVx)
IV.n IV - Airway involvement
IV.n - Obstructive airway dysfunction (see also IVc, XVx)
IV.y IV - Airway involvement
IV.y - Eosinophilic airway disease (asthma, bronchitis, bronchiolitis)
V.a V - Pleural and/or pericardial involvement
V.a - Pleural effusion
V.m V - Pleural and/or pericardial involvement
V.m - Pleuropericardial effusion (ANA unknown or negative)
VI.b VI - Pulmonary vasculopathies
VI.b - Pulmonary arterial hypertension
VIII.t VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.t - Vocal cord paresis/paralysis
IX.a IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.a - Diaphragm/inspiratory muscle weakness/paralysis (w/wo ARF)
IX.d IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.d - Respiratory failure from ventilatory depression
IX.h IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.h - Dyspnea, unexplained otherwise
IX.r IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.r - Myasthenia gravis - Myasthenic-like syndrome
IX.y IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.y - A flare or relapse of preexisting myasthenia gravis
IX.ab IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.ab - Guillain-Barré (or GB-like) syndrome (w/wo ARF)
X.a X - Systemic/Distant conditions, syndromes and reactions
X.a - DRES syndrome - DRESS-like reaction
X.d X - Systemic/Distant conditions, syndromes and reactions
X.d - Lupus - Lupus syndrome (see also Vd)
X.f X - Systemic/Distant conditions, syndromes and reactions
X.f - Anaphylaxis-Anaphylactoid reaction (can be fatal)
X.g X - Systemic/Distant conditions, syndromes and reactions
X.g - Hypersensitivity reaction (may manifest with fever and/or skin, throat or airway involvement)
X.j X - Systemic/Distant conditions, syndromes and reactions
X.j - Myopathy-Myositis-Polymyositis (see also under Xba)
X.k X - Systemic/Distant conditions, syndromes and reactions
X.k - Sarcoid-like granulomatosis (endo-/extrathoracic)
X.m X - Systemic/Distant conditions, syndromes and reactions
X.m - Vascultis (pulmonary, extrathoracic or systemic)-ANCA status unknown or negative)
X.n X - Systemic/Distant conditions, syndromes and reactions
X.n - Tumor lysis syndrome (TLS)
X.s X - Systemic/Distant conditions, syndromes and reactions
X.s - Vasculitis, pulmonary (w/wo AH), extrapulmonary, systemic: ANCA-positive
X.u X - Systemic/Distant conditions, syndromes and reactions
X.u - Multiple organ dysfunction/failure (MODS/MOF)
X.ac X - Systemic/Distant conditions, syndromes and reactions
X.ac - Anti-GBM antibody disease (Goodpasture-like or flare of preexisting GS)
X.ay X - Systemic/Distant conditions, syndromes and reactions
X.ay - Polymyalgia rheumatica
XI.i XI - Miscellaneous
XI.i - Esophageal toxicity
XI.av XI - Miscellaneous
XI.av - Deterioration of graft function in SOT recipients
XI.ax XI - Miscellaneous
XI.ax - Esophageal stenosis/stricture
XII.c XII - Cardiovascular involvement / toxicity
XII.c - Pericardial effusion (w/wo tamponade)
XII.d XII - Cardiovascular involvement / toxicity
XII.d - Myocarditis (can be fulminant)
XII.g XII - Cardiovascular involvement / toxicity
XII.g - Coronary artery disease (acute) - Myocardial ischemia/infarction
XII.n XII - Cardiovascular involvement / toxicity
XII.n - Cardiovascular collapse - Cardiogenic shock - Hypotension
XII.s XII - Cardiovascular involvement / toxicity
XII.s - Heart block (bundle branch- or AV-)
XII.ai XII - Cardiovascular involvement / toxicity
XII.ai - Cardiotoxicity
XII.ax XII - Cardiovascular involvement / toxicity
XII.ax - Necrotizing myocarditis (w/o evidence for CAD)
XV.c XV - Pathology
XV.c - Path: Organizing pneumonia (OP/BOOP) pattern (see also Id)
XV.d XV - Pathology
XV.d - Path: Acute fibrinous organizing pneumonia (AFOP-pattern) (see also If)
XV.g XV - Pathology
XV.g - Path: Alveolar hemorrhage (see also IIIa)
XV.bb XV - Pathology
XV.bb - Path: Airway inflammation
XVI.i XVI - Imaging
XVI.i - Imaging: An area or areas of involvement with a recognizable anatomic distribution
XVI.v XVI - Imaging
XVI.v - Imaging: Centrilobular micronodules (can be diffuse)
XVI.w XVI - Imaging
XVI.w - Imaging: Lung nodule or nodules
XVI.ab XVI - Imaging
XVI.ab - Imaging: Cavitating/cavitary lung nodule, mass or nodules (see also Iq, XIs, XIIi, XVIaa and XVIIp)
XVI.af XVI - Imaging
XVI.af - Imaging: Lung cysts or bullae (see also XVI ah/bf)
XVI.ai XVI - Imaging
XVI.ai - Imaging: A 'tree-in-bud' pattern
XVII.a XVII - Infections & related conditions
XVII.a - Respiratory tract infection incl. pneumonia
XVII.c XVII - Infections & related conditions
XVII.c - Aspergillosis, pulmonary (invasive, allergic [ABPA], or mycetoma)
XVII.g XVII - Infections & related conditions
XVII.g - Tuberculosis (pulmonary, pulmonary, extrapulmonary or disseminated). Reactivation or de novo
XVII.aj XVII - Infections & related conditions
XVII.aj - Bordetella bronchiseptica pulmonary infection
XIX.a XIX - Cytological, biochemical features of/in BAL, pleural fluid or FNA
XIX.a - BAL: An excess proportion of lymphocytes
XIX.b XIX - Cytological, biochemical features of/in BAL, pleural fluid or FNA
XIX.b - BAL: An excess proportion of neutrophils
XIX.c XIX - Cytological, biochemical features of/in BAL, pleural fluid or FNA
XIX.c - BAL: An excess proportion of eosinophils
1

Pembrolizumab

I.a I - Interstitial/parenchymal lung disease
I.a - Pneumonitis (ILD), acute and/or severe (may cause ARDS)
I.b I - Interstitial/parenchymal lung disease
I.b - Pneumonitis (ILD)
I.d I - Interstitial/parenchymal lung disease
I.d - Organizing pneumonia pattern (an area or areas of consolidation on imaging)
I.f I - Interstitial/parenchymal lung disease
I.f - Acute fibrinous organizing pneumonia (AFOP)
I.m I - Interstitial/parenchymal lung disease
I.m - ILD with a granulomatous component
I.o I - Interstitial/parenchymal lung disease
I.o - Focal/localized area of pneumonitis/fibrosis
I.y I - Interstitial/parenchymal lung disease
I.y - Progression, acceleration or exacerbation of preexisting ILD/fibrosis
I.ad I - Interstitial/parenchymal lung disease
I.ad - Radiation recall pneumonitis
II.b II - Pulmonary edema - Acute lung injury - ARDS
II.b - ARDS - Acute lung injury
III.h III - Pulmonary/alveolar./airway hemorrhage/bleeding
III.h - Major/massive hemoptysis
III.l III - Pulmonary/alveolar./airway hemorrhage/bleeding
III.l - Alveolar hemorrhage, localized (e.g. lobar)
IV.d IV - Airway involvement
IV.d - Cough (lone)
IV.j IV - Airway involvement
IV.j - Bronchiolitis (a clinical-imaging pattern suggestive of)
IV.k IV - Airway involvement
IV.k - Bronchiectasis
IV.n IV - Airway involvement
IV.n - Obstructive airway dysfunction (see also IVc, XVx)
IV.t IV - Airway involvement
IV.t - Sptutum production - Bronchorrhea - 'Bronchitis'
IV.y IV - Airway involvement
IV.y - Eosinophilic airway disease (asthma, bronchitis, bronchiolitis)
IV.ac IV - Airway involvement
IV.ac - Exacerbation or deterioration of preexisting asthma
IV.ad IV - Airway involvement
IV.ad - Large airway inflammation - Tracheitis
VI.a VI - Pulmonary vasculopathies
VI.a - Pulmonary embolism - Venous thrombosis/thromboembolism
VII.a VII - Mediastinal involvement
VII.a - Lymphadenopathy (intrathoracic)
VII.e VII - Mediastinal involvement
VII.e - Granulomatous mediastinal lymphadenopathy
VIII.q VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.q - Tongue involvement (edema, glossitis, hematoma)
VIII.t VIII - Central-large-upper airway (incl. pharyngeal-nasal) involvement
VIII.t - Vocal cord paresis/paralysis
IX.r IX - Neuromuscular / CNS involvement - Disordered breathing during sleep
IX.r - Myasthenia gravis - Myasthenic-like syndrome
X.b X - Systemic/Distant conditions, syndromes and reactions
X.b - Antiphospholipid antibodies w/wo the APL syndrome
X.c X - Systemic/Distant conditions, syndromes and reactions
X.c - Capillary leak syndrome (CLS)
X.d X - Systemic/Distant conditions, syndromes and reactions
X.d - Lupus - Lupus syndrome (see also Vd)
X.g X - Systemic/Distant conditions, syndromes and reactions
X.g - Hypersensitivity reaction (may manifest with fever and/or skin, throat or airway involvement)
X.j X - Systemic/Distant conditions, syndromes and reactions
X.j - Myopathy-Myositis-Polymyositis (see also under Xba)
X.k X - Systemic/Distant conditions, syndromes and reactions
X.k - Sarcoid-like granulomatosis (endo-/extrathoracic)
X.m X - Systemic/Distant conditions, syndromes and reactions
X.m - Vascultis (pulmonary, extrathoracic or systemic)-ANCA status unknown or negative)
X.s X - Systemic/Distant conditions, syndromes and reactions
X.s - Vasculitis, pulmonary (w/wo AH), extrapulmonary, systemic: ANCA-positive
X.ah X - Systemic/Distant conditions, syndromes and reactions
X.ah - Granulomatosis with polyangiitis (typically ANCA pos.) - GPA flare
X.an X - Systemic/Distant conditions, syndromes and reactions
X.an - Cytokine release syndrome - Cytokine storm
X.aw X - Systemic/Distant conditions, syndromes and reactions
X.aw - Connective tissue disease
X.ax X - Systemic/Distant conditions, syndromes and reactions
X.ax - Scleroderma
XI.d XI - Miscellaneous
XI.d - Metabolic acidosis (incl. lactic acidosis/-gap). May cause hyperpnea/dyspnea
XI.n XI - Miscellaneous
XI.n - Neutropenia, agranulocytosis (w/wo infection/sepsis)
XII.a XII - Cardiovascular involvement / toxicity
XII.a - Left or biventricular dysfunction/failure
XII.c XII - Cardiovascular involvement / toxicity
XII.c - Pericardial effusion (w/wo tamponade)
XII.d XII - Cardiovascular involvement / toxicity
XII.d - Myocarditis (can be fulminant)
XII.s XII - Cardiovascular involvement / toxicity
XII.s - Heart block (bundle branch- or AV-)
XV.a XV - Pathology
XV.a - Path: NSIP-cellular pattern (see also Ia, Ib)
XV.b XV - Pathology
XV.b - Path: Eosinophilic pneumonia (subacute or acute) (see also Ic)
XV.c XV - Pathology
XV.c - Path: Organizing pneumonia (OP/BOOP) pattern (see also Id)
XV.d XV - Pathology
XV.d - Path: Acute fibrinous organizing pneumonia (AFOP-pattern) (see also If)
XV.e XV - Pathology
XV.e - Path: ILD with a granulomatous component (see also Im)
XV.f XV - Pathology
XV.f - Path: Diffuse alveolar damage (DAD-pattern) (see also IL)
XV.x XV - Pathology
XV.x - Path: Acute/subacute bronchiolitis (see also IVc, IVi)
XV.bb XV - Pathology
XV.bb - Path: Airway inflammation
XV.cw XV - Pathology
XV.cw - Path: Myocardial vasculitis
XVI.b XVI - Imaging
XVI.b - Imaging: Ground-glass opacities (GGO) / shadowing
XVI.e XVI - Imaging
XVI.e - Imaging: Pulmonary opacities with a subpleural distribution
XVI.k XVI - Imaging
XVI.k - Imaging: An area or areas of consolidation
XVI.v XVI - Imaging
XVI.v - Imaging: Centrilobular micronodules (can be diffuse)
XVI.z XVI - Imaging
XVI.z - Imaging: A large nodule or a mass
XVI.ai XVI - Imaging
XVI.ai - Imaging: A 'tree-in-bud' pattern
XVII.c XVII - Infections & related conditions
XVII.c - Aspergillosis, pulmonary (invasive, allergic [ABPA], or mycetoma)
XVII.g XVII - Infections & related conditions
XVII.g - Tuberculosis (pulmonary, pulmonary, extrapulmonary or disseminated). Reactivation or de novo
XIX.a XIX - Cytological, biochemical features of/in BAL, pleural fluid or FNA
XIX.a - BAL: An excess proportion of lymphocytes
XIX.b XIX - Cytological, biochemical features of/in BAL, pleural fluid or FNA
XIX.b - BAL: An excess proportion of neutrophils
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