Performance of GPT-4 on the American College of Radiology In-training Examination: Evaluating Accuracy, Model Drift, and Fine-tuning.

Rationale And Objectives: In our study, we evaluate GPT-4's performance on the American College of Radiology (ACR) 2022 Diagnostic Radiology In-Training Examination (DXIT). We perform multiple experiments across time points to assess for model drift, as well as after fine-tuning to assess for differences in accuracy.

Materials And Methods: Questions were sequentially input into GPT-4 with a standardized prompt.

A 64-Year-Old Man with Traumatic Right Middle Lobe Lung Herniation Successfully Managed Conservatively.

BACKGROUND Intercostal lung hernias can be congenital or acquired and involve a protrusion of lung tissue beyond the thoracic cage. Post-traumatic intercostal lung hernias can present with symptoms of pain and dyspnea or can be asymptomatic. This report is of a case of traumatic right middle lobe lung herniation through the intercostal junction of the fourth and fifth ribs in a 64-year-old man that was successfully managed conservatively.

Diagnostic Yield of Pulmonary CT Angiography in the Evaluation of Pulmonary Embolisms Treated at the Puerto Rico Medical Center from 2008 to 2012.

Objective: The objective of this study was to determine the diagnostic yield of pulmonary CT angiography (PCTA) in the evaluation of pulmonary embolisms treated at the Puerto Rico Medical Center from 2008 to 2012.

Methods: A total of 1,004 CT angiograms were reviewed in the evaluation of pulmonary embolisms. Patient records covering from 2008 to 2012 were obtained from the picture archiving and communication system (PACS) of the Puerto Rico Medical Center.