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Specialty. Dermatology. Psychiatry. Excoriation disorder, more commonly known as dermatillomania, is a mental disorder on the obsessive–compulsive spectrum that is characterized by the repeated urge or impulse to pick at one's own skin, to the extent that either psychological or physical damage is caused. [4][5]
A pyogenic granuloma or lobular capillary hemangioma[3] is a vascular tumor that occurs on both mucosa and skin, and appears as an overgrowth of tissue due to irritation, physical trauma, or hormonal factors. [4][5] It is often found to involve the gums, skin, or nasal septum, and has also been found far from the head, such as in the thigh. [6 ...
The scalp is the most common pulling site, followed by the eyebrows, eyelashes, face, arms, and legs. [10] Some less common areas include the pubic area, underarms, beard, and chest. [ 11 ] The classic presentation is the " Friar Tuck " form of crown alopecia (loss of hair at the "crown" of the head, also known as the "vertex"). [ 12 ]
Scabs on scalp causes. If your scalp scabs are not from a head injury, they may be caused by an underlying health condition, aggressive scratching, or an infection. “Health conditions often are ...
Specifically, scalp fungal infections are often caused by fungi in the microsporum and trichophyton genera. Scalp fungus can cause a variety of symptoms, including: Dry, scaly skin. Redness ...
pɪˈtiːkɪə. Specialty. Rheumatology. A petechia (/ pɪˈtiːkiə /; [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]
Head imaging, using either CT or MRI, can be useful for differentiating subgaleal hemorrhage from other sources of cranial bleeding. Head ultrasound is useful for the diagnosis of SGH in the hands of an operator experienced in imaging the neonatal head and scalp, and is preferable to CT due to lack of ionizing radiation.
The danger triangle of the face consists of the area from the corners of the mouth to the bridge of the nose, including the nose and maxilla. [1] [2]: 345–346 Due to the special nature of the blood supply to the human nose and surrounding area, it is possible for retrograde infection from the nasal area to spread to the brain, causing cavernous sinus thrombosis, meningitis, or brain abscess.