
Original MICA image-reading exercise, unscored. No clinical narrative absent from the source is added.
- Describe visible findings before proposing an interpretation.
- Suggest an interpretation and at least one image limitation.
- Which clinical findings or investigations would complement this observation?
Reveal the explained reading
Granuloma: lung biopsy
- Technique
- Histology
- Observation
- Multinucleated giant cells are visible.
- Limitation
- Do not assume every field demonstrates caseation.
Morphological description
Multinucleated giant cells are visible.
Interpretation and diagnostic limits
Tuberculosis attribution belongs to the source.
Differential diagnoses
Granulomas also have non-tuberculous causes.
Pitfalls
Do not assume every field demonstrates caseation.
Take-home message
Granuloma does not mean tuberculosis.
Sources
Documentary review: 2026-10-14
Media source & rights
- Author
- KGH
- Original source
- KGH · Granulome caséeux tuberculeux — biopsie pulmonaire · CC BY-SA 3.0
- Licence
- CC BY-SA 3.0
- Changes
- Full image retained; WebP conversion and proportional resize. No clinical alteration. Derivative retains the source licence.
- Dimensions
- 1280 × 964 px
- Check
- 2026-10-14