Giant filarial retroperitoneal cyst: a diagnostic dilemma

Table 1 Retroperitoneal filarial cyst as mentioned by various authors

Year	Author	Cyst size	Age (in years)	Sex	Site (in retroperitoneum)	Region, if specified (country, India)
1961	Pillay [11]	25 × 10 cm	26	Male	Right iliac fossa and pelvis
1981	Mehta et al. [1]	8 × 10 cm	22	Male	Filarial abscess
1987	Chittipantulu et al. [12]			Male		South India
1989	Gupta et al. [13]	20 × 15 cm	40	Male	Displacing stomach, transverse and descending colon
2000	Giri et al. [14]	5.5 cm × 5.3 cm	38	Male	Anterior to left psoas muscle and common iliac vessels partially compressing the left ureter causing left-sided hydroureter and hydronephrosis	Darjeeling, Bengal
2011	Kapoor [9]		42	Male	Right hypochondrium to the infraumbilical region	North India
2015	Srivastava et al. [15]	Large cyst, exact size not mentioned	21	Male	Retroperitoneum	Rural North India
2015	Ganesan et al. [16]	20 × 14 × 23 cm	35	Male	Behind the right colon, mesocolon	Rural north India
2016	Bakde et al. [17]	21 × 10 cm	38	Male	Right hypochondrium to the pelvic region	Urban Maharashtra
2018	Diwakar et al. [18]	9 × 8 cm	52	Male	Right lumbar region	Rural north India
2019 (current case)	Lal P, Bains L et al.	25 × 15 × 15 cm	46	Male	Left side of the abdomen extending from the lesser sac till the left iliac fossa	District Gorakhpur, Uttar Pradesh

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