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Year : 2000  |  Volume : 17  |  Issue : 1  |  Page : 57-58

Microfilarial worms in retroperitoneal mass: A case report

Departments of Pathology and Community Medicine and Urology Unit of Surgery, North Bengal Medical College & Hospital, Darjeeling, India

Correspondence Address:
Anup Kumar Kundu
4, P.C. Sarkar Sarani, Hakimpara, Siliguri - 734 401
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Source of Support: None, Conflict of Interest: None

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Keywords: Retroperitoneum; W. bancrofti; Hydroureter; Filariasis

How to cite this article:
Giri A, Kundu AK, Chakraborty M, Das S. Microfilarial worms in retroperitoneal mass: A case report. Indian J Urol 2000;17:57-8

How to cite this URL:
Giri A, Kundu AK, Chakraborty M, Das S. Microfilarial worms in retroperitoneal mass: A case report. Indian J Urol [serial online] 2000 [cited 2023 Mar 28];17:57-8. Available from:

   Case Report Top

A 38-year-old male presented with lower abdominal mass and left-sided hydrocele following short period of irregular fever. General examination was non-contribu­tory. Abdominal examination revealed a non-tender, firm mass about 5 cm x 5 cm in size in the left iliac fossa and hypogastric region, fixed to the posterior abdominal wall. There was left-sided hyrocele with thickened epididymis but no lymphedema. Hematological and biochemical pa­rameters were within normal limits. CTs of the abdomen showed a heterogeneous mass of size 5.5 cm x 5.3 cm anterior to left psoas muscle and common iliac vessels partially compressing the left ureter causing left-sided hydroureter and hydronephrosis. Rt. kidney, ureter and both testicles were normal [Figure 1]. A diagnosis of retro­peritoneal tumour was made. FNAC of abdominal lump showed microfilaria of W. bancrofti along with an assorted population of lymphocytes, neutrophils and histiocytes [Figure 2]. The patient was treated with Amoxycillin and Die­thyl Carbamazine in adequate doses. The abdominal lump subsided and CT showed almost complete resolution of the mass with normal left kidney and ureter [Figure 3]. The hydrocele regressed with little residual fluid.

   Comments Top

98% of filariasis, a common helminthic infestation in India is caused by Wuchereria bancrofti. [1] In occult filariasis there is no classical clinical manifestations like lymphe­dema or microfilaremia. The larvae reside in the internal organs or tissues. Mehta et al [2] reported a filarial abscess in their study of retroperitoneal tumorous lesions. Gupta et al [3] diagnosed an infected retroperitoneal cyst to be of filarial origin by aspiration cytology and treated it surgically. In the present case there was no classical manifesta­tions of filariasis or microfilaremia, FNAC of abdominal mass revealed microfilaria. Administrations of antifilarial drugs caused resolution of the mass and recession of ob­structive uropathy.

   References Top

1.Park JE, Park K. Lymphatic Filariasis. In: Park JE, Park K (eds.). Park's Text book of Preventive and Social Medicine (13" Ed.). Jabalpur: Banarsidas Bhanot 1991; 180-183.  Back to cited text no. 1    
2.Mehta RB, Gajendran V, Ananthakrishnan N, Satya Parkash. Retro­peritoneal Tumorous Lesions: A Clinicopathological Study. Indian J Surg 1981; 43: 731-742.  Back to cited text no. 2    
3.Gupta NP, Bhatyal HS, Vijaya Raghavan. Infected filarial retroperi­toneal cyst. Indian J Urol 1989; 5: 88-89.  Back to cited text no. 3    


  [Figure 1], [Figure 2], [Figure 3]


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