Which of the following is not typically assessed using abdominal ultrasound?

The assessment of kidney stones is typically done using abdominal ultrasound, making the choice regarding kidney stones less accurate in this context. However, the question asked which option is not commonly assessed with abdominal ultrasound, and among the listed conditions, the others—gallstones, appendicitis, and diverticulitis—are more conventionally evaluated with this imaging modality.

Gallstones can be effectively visualized during an abdominal ultrasound because this imaging technique provides clear images of the gallbladder and can identify stones and related complications, such as gallbladder inflammation.

Appendicitis is also often assessed through ultrasound, especially in children, as it can help avoid radiation exposure and is useful in distinguishing between appendicitis and other abdominal conditions.

Diverticulitis can be evaluated with ultrasound, although CT scans are more commonly used. In cases where CT may not be appropriate, such as in pregnant patients or when avoiding radiation is a priority, abdominal ultrasound can be a helpful diagnostic tool to assess the condition.

Therefore, while ultrasound can be used to assess kidney stones, this imaging modality is not as specific for evaluating that condition compared to other diagnostic methods such as CT scans. This makes kidney stones the least typical choice among the options presented for assessment via abdominal ultrasound.