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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.
[9] [10] Common symptoms include fever, sore throat, red tonsils, and enlarged lymph nodes in the front of the neck. A headache and nausea or vomiting may also occur. [11] Some develop a sandpaper-like rash which is known as scarlet fever. [2] Symptoms typically begin one to three days after exposure and last seven to ten days. [2] [3] [11]
This phenomenon is fairly common, with one in every 800 adults showing evidence of active lesions at any one time. It is more common in people who are experiencing stress or psychological conditions. The prevalence in females is double the prevalence in males, and it is two or three times more prevalent in people over the age of thirty-five.
Infectious mononucleosis mainly affects younger adults. [16] When older adults do catch the disease, they less often have characteristic signs and symptoms such as the sore throat and lymphadenopathy. [16] [26] Instead, they may primarily experience prolonged fever, fatigue, malaise and body pains. [16]
Necrotizing sialometaplasia (NS) is a benign, ulcerative lesion, usually located towards the back of the hard palate. It is thought to be caused by ischemic necrosis (death of tissue due to lack of blood supply) of minor salivary glands in response to trauma. Often painless, the condition is self-limiting and should heal in 6–10 weeks.
Inflammatory papillary hyperplasia almost exclusively involves the hard palate, specifically the vault of the palate. Extension of the lesion to the mucosa of the residual ridges have also been observed. 11% to 13.9% of patients who wear maxillary complete dentures with complete palatal coverage has been reported to have IPH.
Median palatal cysts are uncommon hard palate fissural cysts that are not odontogenic. These lesions are located behind the incisive canal in the midline of the hard palate. The majority of the time, median palatine cysts are asymptomatic and are discovered by coincidence while a patient is being evaluated for a different ailment. [1]
Gingival cyst of adult (arrow) Panoramal radiograph of GCA. Inset: no evidence of bone involvement. Gingival cyst of adult is a rare condition. The incidence is less than 0.5%. It is formed from the rests of dental lamina. [11] It is found in the soft tissues on the buccal and labial portions of the jaw.