|LETTER TO EDITOR
|Year : 2016 | Volume
| Issue : 1 | Page : 5
Capillary hemangioma or pyogenic granuloma
Department of Periodontology, FODS, King George's Medical University, Lucknow, Uttar Pradesh, India
|Date of Web Publication||25-Feb-2016|
Department of Periodontology, FODS, King George's Medical University, Lucknow, Uttar Pradesh
Source of Support: None, Conflict of Interest: None
|How to cite this article:|
Trivedi S. Capillary hemangioma or pyogenic granuloma. J Indian Soc Periodontol 2016;20:5
I write to you in regards to a case report “extragingival pyogenic granuloma histologically mimicking capillary hemangioma.” Authored by Dahiya and Kathuria  published in September–October 2014 issue of your reputed Journal. The authors have described the cases excellently, but I have a slight disagreement.
Pyogenic granuloma (PG) is a nonneoplastic tumor of the oral cavity, which shows a predilection for the gingiva. The term PG is now considered a misnomer, as it is not caused by pyogenic organisms and it is not a true granuloma as well.
Histopathologically, PG shows a highly vascular proliferation resembling granulation tissue. Numerous small and large endothelium lined blood vessels engorged by red blood cells are often seen. The channels are often organized in a lobular arrangement thus deriving the term “lobular capillary hemangioma (LCH).” Some pathologists consider PG as a polypoid form of capillary hemangioma or an inflamed lobular hemangioma while others consider it as granulation – tissue type hemangioma.
Two histologic variants of PG have been described: LCH and nonlobular capillary hemangioma (non-LCH). The first type has proliferating blood vessels arranged in lobular aggregates although there may not be any edema, capillary dilation or granulation tissue proliferation. The non-LCH has a highly vascular proliferation resembling granulation tissue.,, Varying degrees of inflammatory cells infiltrate are seen in both types of PG.
Considering the above facts in mind, it seems that capillary hemangioma may be the histopathologic diagnosis of a case clinically presenting as PG and they may not be two different entities.
| References|| |
Dahiya R, Kathuria A. Extragingival pyogenic granuloma histologically mimicking capillary hemangioma. J Indian Soc Periodontol 2014;18:641-3.
Neville BM, Damm DD, Allen CM, Bouquot JE. Oral and Maxillofacial Pathology. 2nd
ed. Philadelphia: WB Saunders; 2002. p. 447-9.
Bouquot JE, Nilai H. Lesions of the oral cavity. In: Gnepp DR, editor. Diagnostic Surgical Pathology of the Head and Neck. Philadelphia: WB Saunders; 2001. p. 141-233.
Thompson LD. Lobular capillary hemangioma (pyogenic granuloma). In: Head and Neck Pathology: Foundations in Diagnostic Pathology. 2nd
ed. Philadelphia: WB Saunders; 2012.