[Table/Fig-8]:

A review of clinical features, treatment and prognosis of angiosarcoma involving primarily gingiva that was previously reported, together with the present case.

Sl. No	Author	Year	Age/ Sex	Location	Primary Symptoms and Signs	Clinical findings	Treatment	Follow-up
1.	Henny [6]	1949	3mo/M	Anterior part of right maxilla	A small lump in anterior part of the right maxilla for one month	Firm, well-circumscribed mass with extension posteriorly to the palate and laterally to the cheek	Initial Incision Later: Electorocaguation	No recurrence after 2 years and 3 month
2.	Blake and Blake [7]	1956	26y/M	First molar area of left mandible	A lesion on the ridge of first molar area in the left mandible no pain for one month	A soft tissue mass of the first molar area in the left mandible lobular in appearance, round in shape, red in colour	Initial: Incision Later: "Removal	No recurrence after 2 years and 4 mo
3.	Quinn et al., [8]	1970	65 y/M	Maxillary and mandiblar gingiva	Multiple lesions in the oral cavity for 1 month	Multiple pedunculated superficially ulcerated large hemorrhagic friable lesion in the gingiva, painless	Excision, Radiotherapy	Died after 1 mo and 3 Weeks (unknown)
4.	Albright et al., [9]	1970	34 y/M	Anterior part of right mandible	A gingival mass in the right mandible for three month	An elevated hyperemic lobulated tumour on the lingual gingiva between the mandiblar right canine and premolar teeth	Initial: excision Later: wide removal	No recurrence after 6 months
5.	Piscioli et al., [10]	1986	86 y/F	Gingiva of the left mandibular molar area	A gingival mass for one week	A soft hemorrhagic nodule on the gingival of left mandibular molar area	Excision	Died after 1 month (heart failure)
6.	Carr and Green [11]	1986	66 y/M	Right maxillary gingiva	Bleeding from the gingival for 10 days	A large rubbery friable hemorrhagic mass on a broad base arising from the edentulous alveolus between the upper right canine and second molar teeth	Unknown	Died (metastases)
7.	Kashima et al., [12]	1994	39 y/M	Anterior part of right mandible	Pain for 10 months	Ulcer between the lower right central inclsor and the right lateral incisor	Mandibulectomy	Died after 3 years and 1 mo (metastasis)
8.	Kashima et al., [12]	1994	7 y/F	Left mandible	A painless mass for one month	Mass between the lower left lateral incisor and first molar teeth, dark violet in colour	Initial: Excision Later: Mandibulectmy	Died after 1 year and 1 month (metastasis)
9.	Margiotta et al., [13]	1994	62 y/M	Right mandible	A mass in the right mandible	An ovoid, sessile, ill-defined mass, painless	Excision	Unknown
10.	Muffoz et al., [14]	1998	68 y/M	Right mandible	A mass in the right retromolar trigone for one week	A non-ulcerated sessile slightly painful mass in the right retromolar trigone, brown in colour	Partial mandibulectomy	Died (recurrence)
11.	Abdullah et al., [15]	2000	60 y/F	Mandibluar gingiva	A slight elevated reddish-blue nodule in the oral cavity	A reddish-blue nodular mass on the lower Anterior gingiva	Refusal	Unknown
12.	Florescu M [3]	2005	70 y/M	Alveolar crest of mandible	The tumour was soft, white-gray colour, with disseminated areas of hemorrhage	A nodular mass, with undefined limits and maximum diameter of 4 cm.	Unknown	Unknown
13.	Uchiyama et al., [4]	2009	59 y/M	Left maxilla	Bleeding and swelling of the left maxillary gingiva for few months	A regular mass around the left upper molar area, violet in color	Initial: maxillotomy and chemotherapy. Later: boron neutron therapy and lymphokine activated killer cells treatment	No recurrence after 3 y
14.	Terada T [1]	2011	77y/F	Mandibular gingiva posterior to the front tooth	-	Polypoid reddish mass measuring 1.5 x 1.5 x 1cm in the mandibular gingival posterior to the front tooth	Radical operation	Unknown
15.	Sumida T [17]	2012	55y/F	Anterior region of the mandibular gingival	The epulis was a soft exophytic nodular mass, with well defined limits and a maximum diameter of 10 mm	The tumour was soft, whitepink in colour, with easy bleeding.	The operation was performed with about a 20-mm surgical margin that was negative for tumour invasion.	4-year follow-up, no metastatic lesions have been found
16.	Aditya A [18]	2012	75y/F	Gingival growth in the right maxillary region	Pain was present for the last 15 days; however, she could not indicate the onset and duration of the growth.	A lobulated, sessile mass involving the gingival and alveolar mucosa in the maxillary right molar region. The mass was 3 cm, soft to firm in consistency and slightly tender, with moderate bleeding.	The patient declined any therapy	Unknown
17.	Present case	2016	30 y/F	Mandibular anterior gingiva	The growth started 2 months ago, as a small sessile painless growth progressively increased to attain the size of 3×3 cm	soft sessile growth arising from the labial gingiva in relation to 31 and 41 on the labial aspect extending distal to 32	The operation was performed with about a 20-mm surgical margin that was negative for tumor invasion	2 years follow-up, no recurrence and metastatic lesions were found.