The images are not necessarily from this case.

Pseudomonas

• Ecthema gangrenos, necrotic black lesion with organisms
• Thin gram - bacilli

Tuberculosis

• Acid fast bacilli
• Bilateral upper lobe infiltrates, cavities
• TB, Caseating granuloma. Giant cell
• CXR - TB bilateral features
• Histology
• Miliary Tb/Gross.
• Caseous necrosis - tuberculosis
• Caseous necrosis - AFB TB
• Tuberculoris pericarditis
• Histology
• Histology
• Tb/AFB stain
• TB Cavity
• Gibbus/TB spine
• CXR/ Miliary TB

Actinomycosis

• Gram + branching filamentous rods
• AFB - ve
• Neck mass with pus
• Chest wall mass
• Actino/sulfur granules Brown-Bern stain/peripheral end cell shaped 

Nocardia

• Thigh abscess
• Gram +, AFB +, branching rods
• Nocardia alveolar proteinosis/CXR
• Nocardia case/MRI Head
• Nocardia case
• Nocardia in alveolus/AFB/Long, delicate not beaded.
• Nocardia case/Pigment SAB
• Nocardia in alveolusAFB/Long, delicate not beaded.

Send comments to Dr. A.J. Chandrasekhar M.D.