Co-existence of oral intra-muscular lipoma and lobular capillary hemangioma: a rare case report

INTRODUCTION Intramuscular lipoma are benign mesenchymal soft tissue neoplasm of mature adipocytes that arises within the muscle. Oral intramuscular lipoma are more commonly seen on tongue. Lobular capillary hemangioma (LCH) on the other hand are common benign vascular neoplasms which are often confused with pyogenic granuloma. PRESENTATION OF CASE In this paper we present a rare case of co-existence of oral intramuscular lipoma with LCH. A 65 year old male complains of swelling on the left chin region from past 4-5 years. On complete intraoral examination another mass was noted on ventral surface of tongue. After performing USG and FNAC of the swelling in the chin region, an excisional biopsy was done and was sent for histopathological examination which showed thin connective tissue septa separating lobules of mature adipocytes. Histopathological examination of tongue mass revealed a benign tumor composed of blood vessels comprising of small capillary sized vascular channels. After a follow-up of 1 year patient showed no signs of recurrence. DISCUSSION According to the literature recurrences are seen in case of intramuscular lipoma due to difficulty in total excision of the lesion. Immunohistochemistry plays a crucial role in distinguishing LCH from pyogenic granuloma. Intraoral LCH should be properly excised after understanding the vascularity of the lesion. CONCLUSION In literature, the co-existence of intraoral lipoma with other lesions have been encountered hence for a surgeon a complete examination of oral cavity plays a crucial role to rule out such co-existence.