Ultrasonographic diagnosis of subclinical filariasis

Suresh, S.; Kumaraswami, V.; Suresh, Indrani; Rajesh, K; Suguna, G; Vijayasekaran, V.; Ruckmani, A; Rajamanickam, M G

doi:10.7863/jum.1997.16.1.45

Cited by 34 publications

(29 citation statements)

References 2 publications

(1 reference statement)

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“…This technique has also been used with some success in India. 5 The ability to observe adult worms in vivo provides an opportunity to directly observe effects of chemotherapy on the worms 6 and the host. In addition, this technique provides a potential window for observing early hydroceles and for improving understanding of the pathogenesis of this disease.…”

mentioning

confidence: 99%

Bancroftian filariasis in Egypt: visualization of adult worms and subclinical lymphatic pathology by scrotal ultrasound.

Faris

Hussain

Setouhy

et al. 1998

The American Journal of Tropical Medicine and Hygiene

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Abstract. The purpose of this study was to explore the value of scrotal ultrasound as a means of evaluating Bancroftian filariasis. Color Doppler ultrasound examinations were performed to look for subclinical hydroceles and motile adult filarial worms (dancing worms) in dilated lymphatics. Sixty-one male subjects from a filariasis-endemic area in Egypt were studied including 19 clinically normal microfilaria (MF) carriers (seven with dancing worms and eight with subclinical hydroceles), 13 MF-negative subjects with positive filarial antigen test results (three with dancing worms and seven with subclinical hydroceles), 22 exposed subjects with no MF and negative antigen test results (no dancing worms, four subclinical hydroceles), and seven subjects with clinical filariasis (no dancing worms, seven hydroceles). Thus, all men tested with clinical filariasis and most clinically normal subjects with either microfilaremia or filarial antigenemia had abnormal ultrasound examination results. Ultrasound findings often changed after therapy with diethylcarbamazine, with disappearance of dancing worms and development of new scrotal calcifications or hydroceles. This study confirms the value of scrotal ultrasound as a means of noninvasively visualizing adult filarial worms and assessing subclinical lymphatic damage in Bancroftian filariasis.

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mentioning

confidence: 99%

Bancroftian filariasis in Egypt: visualization of adult worms and subclinical lymphatic pathology by scrotal ultrasound.

Faris

Hussain

Setouhy

et al. 1998

The American Journal of Tropical Medicine and Hygiene

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“…Os indivíduos microfilarêmicos constituem o elo que mantém a cadeia de transmissão da endemia, porém a maioria desses indivíduos infectados são assintomáticos, embora muitos já apresentem o dano linfático ou a manifestação subclínica [18][19][20] . As manifestações clínicas expressivas da doença, tais como linfedema ou hidrocele, ocorrem numa proporção relativamente pequena de pessoas infectadas, surgindo em geral somente após vários anos de exposição ao parasita 21 .…”

Section: Discussionunclassified

A filariose bancroftiana no município de Moreno - Pernambuco, Brasil

Medeiros

Oliveira

Quaresma³

et al. 2004

Rev. bras. epidemiol.

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Auxílio financeiro: CNPq (APQ -processo 465099/2000-9, PIBIC/FIOCRUZ) e OPAS (ASC 00/ 0168-0). ResumoNo Brasil, estima-se que 49 mil pessoas estejam infectadas pela Wuchereria bancrofti, residindo em três áreas consideradas endêmicas: Maceió-AL, Belém-PA e Região Metropolitana do Recife-PE; esta última apresenta a maior casuística no país. Este estudo tem como objetivo identificar o limite entre municípios com e sem transmissão ativa, em Pernambuco. Para tal foi realizado um estudo seccional no município de Moreno, localizado na Região Metropolitana do Recife. O inquérito epidemiológico foi constituído de entrevistas utilizando questioná-rios fechados contendo informações relacionadas à filariose e à pesquisa parasitológica. Dentre os 2.513 exames realizados, dois casos foram detectados, ambos provenientes do Recife-PE. Quanto à manifestação clíni-ca, 65 (2,6%) indivíduos relataram queixas correlatas com filariose. Em relação ao tratamento prévio para filariose, 24 pessoas (0,9%) afirmaram já terem tomado a dietilcarbamazina. A importância deste trabalho decorre do desconhecimento da extensão da endemia na Região Metropolitana do Recife e da constatação de que Moreno apresenta os componentes para manter o ciclo parasitário. Desta forma, a vigilância epidemiológica municipal deverá identificar as áreas com maior risco de transmissão e assim criar estratégias para evitar sua fixação.

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“…It is clear from the first case and from similar experiences that ultrasonography will be useful in the diagnosis of lymphatic filariasis, not only in Brazil 3,4,10-12 but elsewhere as well. [21][22][23][24][25] …”

Section: Discussionmentioning

confidence: 99%

Lymphatic filariasis in children: adenopathy and its evolution in two young girls.

Dreyer

Figuerêdo-Silva²,

Carvalho³

et al. 2001

The American Journal of Tropical Medicine and Hygiene

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Abstract. Lymphatic filariasis is a widespread infectious disease of children in endemic areas, but little is known about the early lymphatic damage in children and its evolution, either with or without treatment. Two girls (ages 6 and 12 years) from a Wuchereria bancrofti endemic region of Brazil presented with chronic inguinal adenopathy. Neither had microfilaremia. By ultrasound both were shown to have living adult worms in their enlarged inguinal nodes and had occult local lymphatic damage (lymphangiectasis). One girl spontaneously developed acute adenitis in the affected node prior to any intervention; this adenitis resolved within 10 days and was associated with the progressive disappearance over 45-90 days of all local abnormalities detectable by ultrasound. In the other child, after treatment with a single dose of diethylcarbamazine (DEC), the same clinical picture of transient adenitis and resolving abnormalities (detectable by ultrasound) occurred. These findings demonstrated filariasis as the cause of adenopathy in children, and also both spontaneous and treatment-induced worm-death, with subsequent reversal of lymphatic abnormalities.

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Ultrasonographic diagnosis of subclinical filariasis

Cited by 34 publications

References 2 publications

Bancroftian filariasis in Egypt: visualization of adult worms and subclinical lymphatic pathology by scrotal ultrasound.

Bancroftian filariasis in Egypt: visualization of adult worms and subclinical lymphatic pathology by scrotal ultrasound.

A filariose bancroftiana no município de Moreno - Pernambuco, Brasil

Lymphatic filariasis in children: adenopathy and its evolution in two young girls.

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