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Lesion size may be specified as gross, meaning it is visible to the unaided eye, or histologic, meaning a microscope is needed to see it. [ 4 ] [ 5 ] A space-occupying lesion , as the name suggests, has a recognizable volume and may impinge on nearby structures, whereas a non space-occupying lesion is simply a hole in the tissue, such as a ...
Family medical history FOH: Family ocular history F/U: Follow up appointment GH: General health G(M)P: General (medical) practitioner HA: Headaches HARC: Harmonious abnormal retinal correspondence HM: Hand motion vision – state distance Hx: History IOL: Intra-ocular lens IOP: Intra-ocular pressure ISNT: Inferior, Superior, Nasal, Temporal
The Roman medical encyclopedist Celsus (c. 30 BC–38 AD) described the four cardinal signs of acute inflammation as tumor, dolor, calor, and rubor (swelling, pain, increased heat, and redness). (His treatise, De Medicina , was the first medical book printed in 1478 following the invention of the movable-type printing press.)
Meaning R: respiration, (right) RA: refractory anemia rheumatoid arthritis right atrium room air RAD: reflex anal dilatation right axis deviation reactive airway disease radiation absorbed dose reactive attachment disorder: Rad hys: radical hysterectomy: RAE: right atrial enlargement RAI: radioactive iodine: RAIU: thyroid reactive iodine uptake ...
As a general rule, this vowel almost always acts as a joint-stem to connect two consonantal roots (e.g. arthr-+ -o-+ -logy = arthrology), but generally, the -o-is dropped when connecting to a vowel-stem (e.g. arthr-+ -itis = arthritis, instead of arthr-o-itis). Second, medical roots generally go together according to language, i.e., Greek ...
Gastric antral vascular ectasia (GAVE) is an uncommon cause of chronic gastrointestinal bleeding or iron deficiency anemia. [1] [2] The condition is associated with dilated small blood vessels in the gastric antrum, which is a distal part of the stomach. [1]
Pityriasis rosea is a type of skin rash. [2] Classically, it begins with a single red and slightly scaly area known as a "herald patch". [2] This is then followed, days to weeks later, by an eruption of many smaller scaly spots; pinkish with a red edge in people with light skin and greyish in darker skin. [4]
Schematic representation showing margin negative (A) and margin positive (B) excisions of a lesion. In a margin negative resection the lesion is completely removed; no lesional tissue is left behind the in the patient. In a margin positive resection some lesional tissue is left behind in the patient.