Which descriptor refers to septations such as single, multiple, or soap bubble within an abnormal radiographic image?

• A. Abnormal trabeculae
• B. Septations
• C. Dystrophic calcifications
• D. Amorphous bone

Answer: (B)

Internal walls inside a radiolucent lesion are called septations. When these walls are present, a lesion can be described as having one or more septa, and when several septa subdivide the area into rounded lucencies, the image takes on a soap‑bubble look. This multiloculated, septated pattern signals that the lesion expands by forming internal partitions, which helps differentiate it from a solid mass or a calcified, non-partitioned lesion. Other descriptors refer to different features: abnormal trabeculae describe irregular bone strands, dystrophic calcifications are calcium deposits, and amorphous bone indicates disorganized bone formation.