
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
Renal stone with acoustic shadowing
- Observation
- An echogenic focus casts a posterior shadow.
- Limitation
- A stone does not automatically mean obstruction.
Morphological description
An echogenic focus casts a posterior shadow.
Source context
The source reports no hydronephrosis here.
Differential diagnoses
Distinguish stones from other echogenic foci.
Pitfalls and limitations
A stone does not automatically mean obstruction.
Take-home message
Assess shadow and collecting system.
Sources
Documentary review: 2026-10-14
Media source & rights
- Author
- Kristoffer Lindskov Hansen, Michael Bachmann Nielsen and Caroline Ewertsen
- Original source
- Kristoffer Lindskov Hansen, Michael Bachmann Nielsen and Caroline Ewertsen · Calcul rénal avec ombre acoustique · CC BY 4.0
- Licence
- CC BY 4.0
- Changes
- Whole image retained; proportional resize and WebP conversion only. No clinical alteration. Derivative retains the original licence.
- Dimensions
- 960 × 780 px
- Check
- 2026-10-14