This tag is associated with 12 posts

Thoracic Spine Burst Fracture

History: hit by car while riding bike A burst fracture is a type of traumatic spinal injury in which a vertebra breaks from a high-energy axial load (e.g., car accidents or falls from a great height or high speed, and some kinds of seizures), with shards of vertebra penetrating surrounding tissues and sometimes the spinal … Continue reading

Extraperitoneal Bladder Rupture

History: 25 year old male presents to the emergency room after a fight at a local bar This is a case example of extraperitoneal bladder rupture. In the setting of trauma to the bladder it is important to differentiate extraperitoneal from intraperitoneal rupture. Intraperitoneal bladder rupture has to be repaired surgically, whereas extraperitoneal rupture can … Continue reading

Subtrochanteric Femur Fracture

History: middle aged male with trauma.  This is a subtrochanteric fracture of the femur. The above image is a 3D reconstruction from the raw data of a CT of the abdomen and pelvis, such that the patient did not have to undergo additional scanning and radiation exposure to get this image of the femur. See … Continue reading

Zygomaticomaxillary Complex Fracture – AKA Tripod Fracture

History: male hit in the face with a baseball bat. This is a great example of a zygomaticomaxillary complex fracture, also known as a tripod fracture. Some people refer to it also as a quadripod fracture. See a nice overview of the radiology facial fractures here. Additionally, learn about what the surgeon wants to know … Continue reading

Volar Dislocated Proximal Interphalangeal Joint

History: male with finger pain.  This is a volar dislocation of the third proximal interphalangeal joint. Volar dislocations of the proximal interphalangeal joint are the least common and have the worst prognosis. In volar dislocation the central slip of the extensor digitorum is commonly disrupted along with the volar plate and collateral ligaments. Dorsal dislocation … Continue reading

Knee Joint Effusion on Lateral Radiograph

History: 50 year old male with knee pain and swelling.  This is the appearance of a knee joint effusion on lateral radiographs. Knee joint effusions (sometimes referred to as “water on the knee”) is fluid filling the joint space of the knee. Effusions can be caused by any of the following entities: 1. Arthritis (osteoarthritis … Continue reading

Solution to Unknown Case #25 – Bennett Fracture

History: 30 year old male with thumb pain.  This is the appearance of a Bennett Fracture, which is an oblique intraarticular fracture through the base of the first metacarpal with extension into the first metacarpophalangeal joint. Bennett fractures classically result in a volar lip fragment with a triangular shape. It is important to get the … Continue reading

The ABCs of Trauma Mnemonic – ABCDEFGHI

This mnemonic has frequently been used for recalling important findings to recognize with trauma cases: ABCDEFGHI A – Aortic transection/dissection B – Bronchial fracture C – Cord injury D – Diaphragmatic rupture E – Esophageal tear F – Flail chest, Foreign bodies G – Gas (pneumothorax and pneumoperitoneum) H – Heart (such as pericardial effusion) … Continue reading

Depressed Skull Fracture in an Infant – Non-accidental Trauma versus Accidental Trauma

History: Infant status post fall from 4 feet. This is the appearance of a depressed skull fracture in an infant. In the setting of skull fractures in an infant, one always has to rule out the presence of non-accidental trauma (NAT), which is medical-speak for child abuse. There are multiple characteristics of skull fractures which … Continue reading

Solution to Unknown Case # 10 – Boxer’s Fracture

History: Adolescent boy with hand pain.  This is called a boxer fracture, which is a transverse fracture through the fifth metacarpal neck. Only the collateral ligaments remain attached, and therefore the typical finding is volar angulation (or dorsal apex angulation) of the metacarpal head. Boxer’s Fracture Causes Boxer’s fractures received their name from one of … Continue reading