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Background/purpose: Due to the rarity and diversity of primary intraosseous malignancies in jawbones, we aimed to evaluate the clinicopathological features and discuss the findings of our collected cases with the literatures.Methods: Twenty-nine patients (2000-2020) diagnosed with primary central malignancies of jawbones were selected from the database of Oral Pathology Department in our institution. Clinical features, radiographic appearance, and histopathological diagnosis of the 29 cases were analyzed.Results: Twenty-nine patients aged between 19 and 84 years (average, 57.4 years) with a male to female ratio of 1.2:1 were included. The most frequent site was the mandibular body and ramus, followed by the posterior maxilla and mandibular symphysis. The most common diagnosis was osteogenic sarcoma (n = 13), followed by odontogenic carcinoma (n = 7), hematologic malignancies (n = 5), salivary gland malignancies (n = 2), and neurogenic sarcomas (n = 2). The most frequent symptoms were swelling, pain, paresthesia of lower lip, and mobile tooth. Radiographically, they usually presented as ill-defined osteolytic to osteoblastic lesions depending on the amount of ossification. Wide excision comprising partial maxillectomy and segmental mandibulectomy were the most common therapeutic methods.Conclusion: Despite the rarity of primary central malignancies in jawbones, the clinical features may mimic infectious process or benign lesions. Detailed history-taking, clinical and imaging examination and awareness of the patient's signs and symptoms combining with the histopathological inspection are important for early diagnosis and improved prognosis. The current data contributes a useful basis for clinical investigation regarding intraosseous malignancies occurring in the jawbones. [ABSTRACT FROM AUTHOR]

Background/purpose: Due to the rarity of oral lymphoma (OL), we aimed to evaluate the clinical features of OL and discuss these findings in light of the literature.Methods: English language literature (1980-2019) related to OL was searched in two electronic databases. Patients (2000-2019) diagnosed with OL were also selected from the database of the Oral Pathology Department in our institution. The clinical features, radiographic appearance, and histopathological diagnosis in these selected cases from publications and our institution were then analyzed.Results: 607 cases of OL (15 in our institution and 592 from literature) in patients aged between 0 and 92 years (average, 51.8 years) with a male to female ratio of 1.6:1 were included. The most common diagnosis was diffuse large B-cell lymphoma (n = 205), followed by Burkitt lymphoma (n = 72) and T-cell lymphoma (n = 37). The most frequent site was the gingiva, followed by palate, maxilla, mandible, tongue and buccal mucosa. The most frequent symptoms were swelling, ulceration, paresthesia, mobile tooth and pain. Radiographic findings included ill-defined osteolytic lesion, thickening of the periodontal ligament, loss of lamina dura and tooth displacement.Conclusion: Despite the rarity of extranodal lymphomas in oral cavity, their occurrence may be part of disseminated disease. Detailed history-taking, clinical and imaging examination and awareness of the patient's signs and symptoms are important for early diagnosis and an improved prognosis. The current data form a useful basis for clinical investigation and teaching regarding lymphoma occurring in the oral cavity. [ABSTRACT FROM AUTHOR]

Oral metastatic carcinomas are rarely found in oral soft tissues. This study reported the clinicopathological features of 13 intraoral soft tissue metastatic carcinomas. A total of 13 intraoral soft tissue metastatic carcinomas were included in this study. The clinicopathological features of the 13 cases including the primary cancer site, metastatic intraoral soft tissue region, clinical presentation, and histopathological diagnoses were examined and reported. The 13 intraoral soft tissue metastatic carcinomas occurred in 13 patients (11 males and 2 females) with a mean age of 59.4 (range, 39–78) years. Nine cases originated from the liver (69.2%), and one each from the colon (7.7%), pancreas (7.7%), thyroid (7.7%), and kidney (7.7%). The histopathological diagnoses of the metastatic lesions were hepatocellular carcinoma in 9 cases, adenocarcinomas in 2 cases (one each from the colon and pancreas), clear cell carcinoma of the kidney in one case, and follicular thyroid carcinoma in one case. The gingiva and alveolar mucosa were the major metastatic sites (10 cases, 76.9%), followed by the buccal mucosa (two cases, 15.4%), and soft palate (one case, 7.7%). Twelve metastatic lesions manifested as ulcerated, easy-bleeding, and pyogenic granuloma-like lesions. The results of our series of 13 cases indicate that intraoral soft tissue metastatic carcinomas have a male predilection with a male to female ratio of 11:2, are commonly found in the gingiva and alveolar mucosa (76.9%), present frequently as an easy-bleeding pyogenic granuloma-like lesion (92.3%). In addition, the most common primary cancer site is the liver. [ABSTRACT FROM AUTHOR]

Background/purpose: Erosive oral lichen planus (EOLP) patients with desquamative gingivitis (DG) are sometimes encountered in our oral mucosal disease clinic. This study assessed hematinic deficiencies and anemia statuses in antigastric parietal cell antibody (GPCA)-positive EOLP patients with DG (GPCA+/DG+/EOLP patients).Methods: The blood hemoglobin, iron, vitamin B12, folic acid, and homocysteine concentrations and serum GPCA levels in 92 GPCA+/DG+/EOLP patients and 184 age- and sex-matched healthy controls were measured and compared between the two groups.Results: We found that 27 (29.3%), 16 (17.4%), and 27 (29.3%) of 92 GPCA+/DG+/EOLP patients had hemoglobin (men < 13 g/dL and women < 12 g/dL), iron (< 60 μg/dL), and vitamin B12 (< 200 pg/mL) deficiencies, respectively. Moreover, 37 (40.2%) of 92 GPCA+/DG+/EOLP patients had an abnormally high blood homocysteine level (> 12.1μM). GPCA+/DG+/EOLP patients had a significantly higher frequency of hemoglobin, iron, or vitamin B12 deficiency and an abnormally high blood homocysteine level than healthy control individuals (all p < 0.001). Of 27 anemic GPCA+/DG+/EOLP patients, 13 (48.2%) had pernicious anemia, five (18.5%) had iron deficiency anemia, one (3.7%) had thalassemia trait, and the remaining eight (29.6%) had normocytic anemia. Moreover, of the 92 GPCA+/DG+/EOLP patients, 24 had macrocytosis, and only 13 (54.2%) of these 24 patients had pernicious anemia.Conclusion: We conclude that GPCA+/DG+/EOLP patients may have vitamin B12 deficiency, iron deficiency, and an abnormally high blood homocysteine level. In addition to pernicious anemia, GPCA+/DG+/EOLP patients may sometimes have normocytic anemia or iron deficiency anemia. [ABSTRACT FROM AUTHOR]

The article presents a case study of a 73-year-old female patient with a submucosal nodule in left mouth angle induced by hyaluronic acids (HAs) as dermal fillers is presented. The study infers that HA filler might migrate to a different location and surgical excision is suggested as an effective treatment. Use of Immunostains including , anti-CD68 stain to identify cells in lesions is also suggested.