to ischemia of the whole eye (in giant cell arteritis and Takayasu's arteritis). In the presence of scleral or orbital inflammation, other retinal signs can be evident. This article describes the ...

Scleritis is the most common ocular manifestation of relapsing polychondritis; in one study, this sign was present in 51 out of 117 patients, and was the presenting feature in 6 patients.

A teenage girl presented to the hospital emergency department with a three-week history of intermittent frontal headache, which was worse in the morning and associated with nausea, vomiting, lethargy, ...

Patients with predominantly cranial vs isolated extracranial GCA phenotypes present with different patterns of arterial involvement on 18F-FDG PET-CT scans.

Mortality rates among patients with GCA in Spain are similar to that of the general population, with older age and male sex linked to higher mortality.

Jan. 28, 2025 — A team of stem cell scientists have successfully used embryonic stem cell engineering to create a bi-paternal mouse -- a mouse with two male parents -- that lived until adulthood.

Feb. 6, 2025 — A recent study investigates how polyester microdroplets, potential precursors to modern cells, could form under realistic early Earth conditions. Researchers pushed these ...

The retina is a layered structure that lines the inner surface of the eye. It consists of layers of neurons: light-sensitive photoreceptor cells, bipolar cells, horizontal cells, amacrine cells ...