Prevalence of Linguatula serrata in lymph nodes of small ruminants: case from Iran

2013 ◽  
Vol 23 (3) ◽  
pp. 785-788 ◽  
Author(s):  
Zivar Sadeghi Dehkordi ◽  
Mohammad Reza Pajohi-Alamoti ◽  
Sakinee Azami ◽  
A. R. Bahonar
Keyword(s):  
Lymph Nodes ◽  
Small Ruminants ◽  
Linguatula Serrata

scholarly journals Infection and pathological lesions of lymph nodes induced by Linguatula serrata nymphs in one-humped camels in Iran

2018 ◽  
Vol 68 (4) ◽  
pp. 529 ◽  
Author(s):  
M. TAVASSOLI ◽  
R. HOBBENAGHI ◽  
A. KARGOZARI ◽  
H. REZAEIA
Keyword(s):  
Lymph Nodes ◽  
Giant Cells ◽  
Intermediate Hosts ◽  
Mesenteric Lymph Nodes ◽  
Granulomatous Reaction ◽  
Linguatula Serrata ◽  
Mesenteric Lymph ◽  
Zoonotic Parasite ◽  
Macroscopic Examination ◽  
Very High

Linguatula serrata (Pentastomida: Linguatulidae) known tong-worm is a cosmopolitan, zoonotic, and obligate endoparasite. The parasite lives in the nasopharyngeal region of the final hosts, which primarily include dogs and other carnivores. Various herbivores, including, camels serve as the best intermediate hosts for nymph stages. In present study the mesenteric lymph nodes of 101camels were examined for infection to L. serrata macroscopically and histopathologically. The infected and normal lymph nodes were processed for histopathology. The results indicated that out of 101 sampled 33 (32.67%) were infected. Macroscopic examination revealed that the infected lymph nodes are swollen and dark, with rubbery consistency, some with subcapsular hemorrhage on cutting. Extensive hemorrhage occurred in various parts of infected lymph nodes. A section of L. serrata parasite was observed near one of the hemorrhage centers. Neutrophil count was very high in these centers and giant cells were present around the parasite, indicating granulomatous reaction. Our findings confirmed that different regions of Iran is an endemic for L. serrata infections. Because L. serrata is a zoonotic parasite, preventive measures should be adopted to disrupt the parasite’s life cycle and minimize the risk of infection in both humans and other animals.

scholarly journals Nasopharyngeal linguatulosis or halzoun syndrome: clinical diagnosis and treatment

2018 ◽  
Vol 64 (12) ◽  
pp. 1081-1084
Author(s):  
Umayya Musharrafıeh ◽  
Gracia Hamadeh ◽  
Anthony Touma ◽  
Jawad Fares
Keyword(s):  
Lymph Nodes ◽  
Clinical Diagnosis ◽  
Eastern Mediterranean ◽  
Good Option ◽  
Diagnosis And Treatment ◽  
Rare Entity ◽  
Review Of The Literature ◽  
Linguatula Serrata ◽  
Sequence Of Events ◽  
Mediterranean Countries

SUMMARY Halzoun syndrome, also known as nasopharyngeal linguatulosis, is a rare entity that is mostly prevalent in Eastern Mediterranean countries. The consumption of raw ovine liver and lymph nodes infested with Linguatula serrata nymphs remains a major cause of the nasopharyngeal symptoms and discomfort associated with the disease. Halzoun syndrome is a clinical diagnosis based on history and presentation. Treatment of this disease is still debated; however, our experience reveals that alcohol gargle can be a good option. Proper counselling on the hazards of eating raw liver in endemic areas is needed. Moreover, physicians should be aware of the sequence of events in the disease in order not to delay or miss the diagnosis. This communication presents a rare Lebanese case of Halzoun syndrome that offers medical implications in the clinical diagnosis and treatment of the nasopharyngeal symptoms of this syndrome, with a review of the literature.

scholarly journals Granulomas Following Subcutaneous Injection With Aluminum Adjuvant-Containing Products in Sheep

2018 ◽  
Vol 56 (3) ◽  
pp. 418-428 ◽  
Author(s):  
Javier Asín ◽  
Jéssica Molín ◽  
Marta Pérez ◽  
Pedro Pinczowski ◽  
Marina Gimeno ◽  
...  
Keyword(s):  
Lymph Nodes ◽  
Injection Site ◽  
Small Ruminants ◽  
Time Frame ◽  
Vaccine Group ◽  
Regional Lymph Nodes ◽  
Treatment Groups ◽  
Transmission Electron ◽  
Scanning Transmission ◽  
And Control

The use of vaccines including aluminum (Al)–based adjuvants is widespread among small ruminants and other animals. They are associated with the appearance of transient injection site nodules corresponding to granulomas. This study aims to characterize the morphology of these granulomas, to understand the role of the Al adjuvant in their genesis, and to establish the presence of the metal in regional lymph nodes. A total of 84 male neutered lambs were selected and divided into 3 treatment groups of 28 animals each: (1) vaccine (containing Al-based adjuvant), (2) adjuvant-only, and (3) control. A total of 19 subcutaneous injections were performed in a time frame of 15 months. Granulomas and regional lymph nodes were evaluated by clinicopathological means. All of the vaccine and 92.3% of the adjuvant-only lambs presented injection-site granulomas; the granulomas were more numerous in the group administered the vaccine. Bacterial culture in granulomas was always negative. Histologically, granulomas in the vaccine group presented a higher degree of severity. Al was specifically identified by lumogallion staining in granulomas and lymph nodes. Al median content was significantly higher ( P < .001) in the lymph nodes of the vaccine group (82.65 μg/g) compared with both adjuvant-only (2.53 μg/g) and control groups (0.96 μg/g). Scanning transmission electron microscopy demonstrated aggregates of Al within macrophages in vaccine and adjuvant-only groups. In these two groups, Al-based adjuvants induce persistent, sterile, subcutaneous granulomas with macrophage-driven translocation of Al to regional lymph nodes. Local translocation of Al may induce further accumulation in distant tissues and be related to the appearance of systemic signs.

Salmonella Presence in Mandibular, Mesenteric, and Subiliac Lymph Nodes Collected from Sheep and Goats in the United States

2016 ◽  
Vol 79 (11) ◽  
pp. 1977-1981
Author(s):  
KEELYN E. HANLON ◽  
MARKUS F. MILLER ◽  
LACEY M. GUILLEN ◽  
MINDY M. BRASHEARS
Keyword(s):  
United States ◽  
Lymph Nodes ◽  
Small Ruminants ◽  
The United States ◽  
Latex Agglutination ◽  
Mesenteric Lymph Nodes ◽  
Mesenteric Lymph ◽  
Safety Risks ◽  
Isolation Methods ◽  
Pathogen Prevalence

ABSTRACT Even though often underappreciated in the United States, meat derived from goats and lambs is a valuable global commodity. Although extensive studies have been conducted examining pathogen prevalence in beef, pork, and poultry species, less research is available about pathogen presence in small ruminants. Understanding the presence of Salmonella in small ruminants can influence processing method improvements for these species to minimize food safety risks. The objective of this study was to establish the Salmonella presence in lymph nodes from sheep (n = 311) and goats (n =357) in the United States. Mandibular, mesenteric, and subiliac lymph nodes were collected from animals at abattoirs located in California, New Mexico, and Texas over a 14-month period. Lymph nodes were analyzed for Salmonella presence by using standard isolation methods, and presumptive isolates were confirmed with latex agglutination. Salmonella was detected in 3.15% of mandibular lymph nodes (n = 222), 5.83% of mesenteric lymph nodes (n = 223), and 7.62% of subiliac lymph nodes (n = 223). A total of 30 animals (13.39%) were found to have one or more Salmonella-positive lymph nodes. Our data indicate Salmonella is harbored within the lymph nodes of small ruminants. With this knowledge, further work can target strategies and interventions to minimize the risk associated with this pathogen during the processing of small ruminants.

scholarly journals The prevalence of Linguatula serrata nymphs in mesenteric and mediastinal lymph nodes in one-humped camels (Camelus dromedarius) slaughtered in Rafsanjan slaughterhouse, Iran

2013 ◽  
Vol 38 (4) ◽  
pp. 374-377 ◽  
Author(s):  
Mehdi Bamorovat ◽  
Mehdi Borhani Zarandi ◽  
Mahshid Mostafavi ◽  
Reza Kheirandish ◽  
Iraj Sharifi ◽  
...  
Keyword(s):  
Lymph Nodes ◽  
Camelus Dromedarius ◽  
Mediastinal Lymph Nodes ◽  
Linguatula Serrata
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