Image Segmentation and Nonuniformity Correction Methods
Introduction In medical imaging, a three-dimensional (3D) image, or volume, is often acquired by stacking up a series of two-dimensional (2D) slice images. Just as 2D images are made up…
An Abbreviated History of Medical 3D Printing
Introduction Three-dimensional (3D) printing technologies are now entering their fourth decade of use and many medical applications now are very well established and optimized. Despite this, many in the medical…
Something in your eye: Periorbital cellulitis
Case presentation A 7-month-old baby presents with left infraorbital swelling and erythema for the past 2 days, which has progressed rapidly. There has been a fever of 101.5 degrees Fahrenheit…
Can you see it? Orbital cellulitis
Case presentation A 10-year-old male presents with left eye edema and pain for the past 2–3 days. The child reports mild congestion for the past week but there has been…
Will the cough ever stop? Atypical pneumonia
Case presentation A 12-year-old male with a history of autism presents with cough for the past 3 weeks. There was initially fever to 102 degrees Fahrenheit, but this lasted for…
What headache? Pediatric arteriovenous malformation
Case presentation A 13-year-old male presents with acute onset of mental status changes. He was found in his room, lying facedown. Emergency medical services was called. On their arrival, the…
You ate what? Swallowed foreign bodies
Case presentation A 4-year-old male presents to the emergency department after his parents witnessed the ingestion of a coin. His mother states that he grabbed one out of her purse…
Not actin’ right: Lacunar infarct and pediatric stroke
Case presentation A 17-year-old male presents with right-sided facial numbness and extremity weakness that has been intermittent for the past 1 month. Several hours ago, the patient noted he had…
Diffuse intrinsic pontine glioma: DIPG
Case presentation A 4-year-old female presents with the parents noting that the child has been “not walking right” and “wobbly” for the past 3 weeks. She sustained a head injury…
More than a migraine: Intracranial mass – medulloblastoma
Case presentation A 6-year-old male with no significant medical history presents with headaches for the past 2 weeks. The headache is described as diffuse and, while occurring throughout the day,…
