Which of the following best describes the pain associated with a psoas abscess?

The pain associated with a psoas abscess is best described as deep pain in the abdomen that can radiate to the groin. This is due to the location of the psoas muscle, which is situated in the posterior abdominal cavity. When an abscess forms in this area, it often causes discomfort that feels deep and is typically related to the anatomical structures involved.

Patients may also experience pain that is more noticeable in the groin or along the inner thigh due to irritation of the surrounding structures as well as referred pain from abdominal organs. This deep abdominal pain can make it difficult for the individual to ambulate or sit comfortably, and it may be exacerbated by activities that engage the psoas muscle.

Other options do not accurately reflect the characteristics of psoas abscess pain. Sudden onset chest pain is more characteristic of thoracic or pulmonary issues. Localized pain in the back could imply a different type of pathology, like musculoskeletal issues or disc problems, while pain that improves with rest is typically seen in chronic conditions rather than an acute abscess, which generally worsens with movement and does not improve significantly with rest.