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The article focuses on evaluating the high frequency of stromal myofibroblasts in odontogenic keratocysts (OKCs) associated with an impacted tooth compared to other odontogenic cysts and pericoronal follicles (PFs). It highlights that OKCs associated with impacted teeth (OKC-a) exhibit a significantly higher number of α-SMA positive cells than those not associated with impacted teeth (OKC-na) and dentigerous cysts (DCs).

This article discusses a case study of a patient with a rare condition called Russell body oral mucositis. Russell bodies are abnormal collections of immunoglobulins within plasma cells, and they can be seen in various chronic inflammatory conditions and autoimmune diseases. The patient in this case study had a large ulcerative lesion on the tongue, which was diagnosed as Mott cell-rich lymphoplasmacytic infiltrate. The lesion healed completely after 2 months of follow-up. The article also mentions similar cases of Russell body formation in the gastrointestinal tract and emphasizes the importance of recognizing this condition due to its prognostic impact. [Extracted from the article]

This article discusses a case report of a rare finding of intraoral epithelioid and spindle cell hemangioma associated with pseudoepitheliomatous hyperplasia (PH). Epithelioid hemangioma (EH) is a benign vascular tumor that typically affects the skin and subcutaneous tissue. In this case, a 58-year-old male patient presented with an asymptomatic gingival lesion. The lesion was surgically removed, and the patient experienced complete healing after 2 months of follow-up. The article provides a detailed analysis of the histopathological features and immunohistochemical findings of the lesion. Treatment for oral EH is typically surgical excision, and the prognosis is usually good. [Extracted from the article]

Fibrous hyperplasia (FH) is a reactive hyperplastic lesion of the connective tissue, being considered the most common intraoral lesion. The microscopical differential diagnosis of FH/IFH presenting lipometaplasia includes lipoma, notably low-fat/fat-free spindle cell lipoma (SCL), fibrolipoma, and sclerotic (fibroma-like) lipoma, mesenchymal non-lipogenic neoplasms, such as liponeurofibroma and lipomatous perineurioma, and rare disorders such as benign symmetrical lipomatosis (BSL)[[7], [9], [11], [13]] (Figure 2B,C). Only those FH/IFH cases presenting lipometaplasia supported by typical reactive connective tissue stroma were selected. [Extracted from the article]