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A petechia (/ p ɪ ˈ t iː k i ə /; [1] pl.: petechiae) is a small red or purple spot (≤4 mm in diameter) that can appear on the skin, conjunctiva, retina, and mucous membranes which is caused by haemorrhage of capillaries. [2] [3] The word is derived from Italian petecchia 'freckle', of obscure origin. [1]
Among all these syndromes, there exists some retinal vessel inflammation. The differences in the dots are usually in the size, position, and depth of the lesion within the choroid. [7] The way in which the dots form in some of the white dot syndromes has been reported. The dot appears as a small granuloma which is composed of lymphocytes and ...
The lacrimal caruncle, or caruncula lacrimalis, is the small, pink, globular nodule at the inner corner (the medial canthus) of the eye. [1] It consists of tissue types of neighbouring eye structures. It may suffer from lesions and allergic inflammation.
Sometimes you will see red bumps at first that then progress into blisters, but overall when you see chickenpox, you’ll see various stages of healing where some older areas are crusty and dry ...
Subconjunctival bleeding, also known as subconjunctival hemorrhage or subconjunctival haemorrhage, is bleeding from a small blood vessel over the whites of the eye. It results in a red spot in the white of the eye. [1] There is generally little to no pain and vision is not affected. [2] [3] Generally only one eye is affected. [2]
The Brushfield spots are the spots between the inner and outer red circles. Brushfield spots are small, white or greyish/brown spots on the periphery of the iris in the human eye due to aggregation of connective tissue, a normal constituent of the iris stroma.
A cherry-red spot is a finding in the macula of the eye in a variety of lipid storage disorders and in central retinal artery occlusion. [1] It describes the appearance of a small circular choroid shape as seen through the fovea centralis.
It manifests as small red bumps and is often accompanied by redness or broken blood vessels. It’s most common in adults over 30. Artfully79/istockphoto. Symptoms of Acne.