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2. Spider angioma - Wikipedia

   en.wikipedia.org/wiki/Spider_angioma

   A spider angioma or spider naevus (plural: spider naevi), also nevus araneus, is a type of telangiectasis [2] (swollen, spider-like blood vessels on the skin) found slightly beneath the skin's surface, often containing a central red spot and deep reddish extensions (see Blood color) which radiate outwards like a spider's web or a spider's legs.

3. Telangiectasia - Wikipedia

   en.wikipedia.org/wiki/Telangiectasia

   Pregnancy: Pregnancy is a key factor contributing to the formation of varicose and spider veins. Changes in hormone levels are one of the most important reasons women are more likely to develop varicose veins during pregnancy. There is an increase in progesterone, which causes the veins to relax and potentially swell more easily. [6]

4. Chronic venous insufficiency - Wikipedia

   en.wikipedia.org/wiki/Chronic_venous_insufficiency

   Deep vein thrombosis (DVT), that is, blood clots in the deep veins. Chronic venous insufficiency caused by DVT may be described as postthrombotic syndrome. DVT triggers an inflammatory response subsequently injuring the vein wall. [6] Superficial vein thrombosis. Phlebitis; May–Thurner syndrome. This is a rare condition in which blood clots ...

5. Superior vena cava syndrome - Wikipedia

   en.wikipedia.org/wiki/Superior_vena_cava_syndrome

   Superior vena cava syndrome (SVCS), is a group of symptoms caused by obstruction of the superior vena cava ("SVC"), a short, wide vessel carrying circulating blood into the heart. The majority of cases are caused by malignant tumors within the mediastinum , most commonly lung cancer and non-Hodgkin's lymphoma , directly compressing or invading ...

6. Thoracic outlet syndrome - Wikipedia

   en.wikipedia.org/wiki/Thoracic_outlet_syndrome

   TOS can involve only part of the hand (as in the pinky and adjacent half of the ring finger), all of the hand, or the inner aspect of the forearm and upper arm. Pain can also be in the side of the neck, the pectoral area below the clavicle, the armpit/axillary area, and the upper back (i.e., the trapezius and rhomboid area).

7. What do spider bites look like? Know these dangerous ... - AOL

   www.aol.com/news/spider-bites-look-know...

   So, to figure out if a mark is actually a spider bite, doctors and dermatologists look for specific signs on the skin and symptoms that can affect the entire body, Dr. Melissa Levoska, an ...