
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
Calretinin: immunostaining
- Observation
- The marker stains tumour structures.
- Limitation
- One positive marker cannot establish diagnosis.
Morphological description
The marker stains tumour structures.
Source context
The source context is epithelioid mesothelioma.
Differential diagnoses
Other tissues and tumours can express calretinin.
Pitfalls and limitations
One positive marker cannot establish diagnosis.
Take-home message
Interpret a panel rather than colour alone.
Sources
Documentary review: 2026-10-14
Media source & rights
- Author
- Nephron
- Original source
- Nephron · Calrétinine : immunomarquage · CC BY-SA 3.0
- Licence
- CC BY-SA 3.0
- Changes
- Whole image retained; proportional resize and WebP conversion only. No clinical alteration. Derivative retains the original licence.
- Dimensions
- 1280 × 853 px
- Check
- 2026-10-14