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Petechia of the lower leg in a person with platelets of 3 due to ITP (immune thrombocytopenia).The most common cause of petechiae is through physical trauma such as a hard bout of coughing, holding breath, vomiting, or crying, which can result in facial petechiae, especially around the eyes.
Palatal petechiae. Petechiae on the soft palate are mainly associated with streptococcal pharyngitis, [6] and as such it is an uncommon but highly specific finding. [7] 10 to 30 percent of palatal petechiae cases are estimated to be caused by suction, which can be habitual or secondary to fellatio. [8]
Strep throat is a common bacterial infection in children. [2] It is the cause of 15–40% of sore throats among children [7] [13] and 5–15% among adults. [8] Cases are more common in late winter and early spring. [13] Potential complications include rheumatic fever and peritonsillar abscess. [1] [2]
In about 50% of cases, small reddish-purple spots called petechiae can be seen on the roof of the mouth. [26] Palatal enanthem can also occur, but is relatively uncommon. [16] A small minority of people spontaneously present a rash, usually on the arms or trunk, which can be macular (morbilliform) or papular. [16]
Initially a vascular lesion is usually noted on the skin which can be firm and hard (indurated). Areas of tiny red dots (petechiae) can appear around the lesion or on other parts of the body. If the vascular lesion is internal, these petechiae and bruising can be seen on the skin. Bruising and spontaneous bleeding can also occur.
Black heel and palm (black heel, calcaneal petechiae, chromidrose plantaire, post-traumatic punctate intraepidermal hemorrhage, tache noir) Callus (callosity, clavus, corn, heloma, heloma durum, heloma molle, intractable plantar keratosis, tyloma) Carbon stain Chilblains; Chilblains (pernio, perniosis)
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Due to the strong association with denture-wearing, the lesion tends to occur more in adults than children. There is no gender predilection. [1] In people who wear dentures 24 hours a day, its incidence is around 20%. Inflammatory papillary hyperplasia almost exclusively involves the hard palate, specifically the vault of the palate.