Legionellosis differential diagnosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Legionellosis must be differentiated from other causes of fever, dyspnea, cough, and sputum production, such as bacterial pnuemonia, viral pneumonia, and other causes of atypical pneumonia.

Differential Diagnosis

The following conditions must be considered in the differential diagnosis of Legionnaires' disease: DDx [1][2][3][4][5][6][7]


Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2] Mahshid Mir, M.D. [3]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Clinical manifestations
Laboratory abnormalities
Radiographic features


Editor-In-Chief: C. Michael Gibson, M.S., M.D. [4] Mahshid Mir, M.D. [5]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Clinical manifestations
Laboratory abnormalities
  • Nonspecific
Radiographic features
  • Disseminated consolidation on chest radiograph
  • Interstitial infiltrate on chest radiograph
  • Increased uptake on gallium scan


Editor-In-Chief: C. Michael Gibson, M.S., M.D. [6] Mahshid Mir, M.D. [7]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Clinical manifestations
Laboratory abnormalities
Radiographic features
  • Alveolar consolidation on chest radiograph
  • Interstitial infiltrate on chest radiograph
  • Lobar consolidation on chest radiograph


Editor-In-Chief: C. Michael Gibson, M.S., M.D. [8] Mahshid Mir, M.D. [9]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Clinical manifestations
Laboratory abnormalities
  • Gram positive diplococci on sputum Gram stain
  • Pleural effusion (exudative)
  • Respiratory alkalosis
Radiographic features
  • Parenchymal hyperlucency on chest radiograph
  • Increased uptake on gallium scan
  • Unilateral diaphragm elevation on chest radiograph
  • Alveolar consolidation on chest radiograph
  • Lobar consolidation on chest radiograph


Editor-In-Chief: C. Michael Gibson, M.S., M.D. [10] Mahshid Mir, M.D. [11]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Clinical manifestations
Laboratory abnormalities
Radiographic features
  • Alveolar consolidation on chest radiograph
  • Lobar consolidation on chest radiograph
  • Interstitial infiltrate on chest radiograph
  • Pneumomediastinum on chest radiograph


Editor-In-Chief: C. Michael Gibson, M.S., M.D. [12] Mahshid Mir, M.D. [13]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Clinical manifestations
Laboratory abnormalities
Radiographic features
  • Normal chest radiograph
  • Atelectasis on chest radiograph
  • Lobar consolidation on chest radiograph
  • Prominent pulmonary artery on chest radiograph
  • Hampton's hump on chest radiograph
  • Right ventricular enlargement on echocardiography
  • Thrombus on echocardiography
  • Segmental perfusion defect on lung scan
  • V/Q mismatch on lung scan


Editor-In-Chief: C. Michael Gibson, M.S., M.D. [14] Mahshid Mir, M.D. [15]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Clinical manifestations
Laboratory abnormalities
Radiographic features
  • Alveolar consolidation on chest radiograph
  • Lobar consolidation on chest radiograph
  • Empyema on chest radiograph
  • Increased uptake on gallium scan


Editor-In-Chief: C. Michael Gibson, M.S., M.D. [16] Mahshid Mir, M.D. [17]

Differential Diagnosis
DDx Alphabetic Order
A B
C D
E F
G H
I J
K L
M N
O P
Q R
S T
U V
W X
Y Z


Template:WikiDoc Sources

Clinical manifestations
Laboratory abnormalities
Radiographic features
  • Lobar consolidation on chest radiograph
  • Interstitial infiltrate on chest radiograph

References

  1. Ferri, Fred (2011). Ferri's differential diagnosis: a practical guide to the differential diagnosis of symptoms, signs, and clinical disorders. Philadelphia, PA: Elsevier/Mosby. ISBN 978-0323076999.
  2. Siegenthaler, Walter (2007). Differential diagnosis in internal medicine: from symptom to diagnosis. Stuttgart New York: Thieme. ISBN 978-1588905512.
  3. Mesko, Dusan (2002). Differential diagnosis by laboratory medicine: a quick reference for physicians. Berlin New York: Springer-Verlag. ISBN 978-3540430575.
  4. Reeder and Felson's gamuts in radiology: comprehensive lists of roentgen differential diagnosis. Place of publication not identified: Springer. 2014. ISBN 978-1475781229.
  5. Burgener, Francis (2008). Differential diagnosis in conventional radiology. Stuttgart New York: Thieme. ISBN 978-1588902757.
  6. Gattuso, Paolo (2015). Differential diagnosis in surgical pathology. Philadelphia, PA: Saunders/Elsevier. ISBN 978-1455770137.
  7. "DXplain".