scholarly journals Epidemiological, Morphological, and Histopathological Study of Quail Coccidiosis in Thi-Qar Province, Iraq

2021 ◽  
Vol 45 (1) ◽  
pp. 69-74
Author(s):  
Muntadher M F Al-Zarkoushi ◽  
Mohammed Th S Al-Zubaidi
Keyword(s):  
Infection Rate ◽  
Periodic Acid ◽  
Morphological Characteristics ◽  
Sporulated Oocyst ◽  
Economic Losses ◽  
Histopathological Study ◽  
Periodic Acid Schiff ◽  
Fecal Samples ◽  
Shape Indices ◽  
Developmental Phases

Coccidiosis is the most common and important disease of poultry resulting in great economic losses world widely. This objective of this study was to determine the species of Eimeria, their prevalence, and gut histopathological lesions in quail (Coturnix coturnix japonica) in Thi-Qar province, Iraq. Over the period of ten months (December 2019 to September 2020), a total of 330 fresh fecal samples (201 from males and 129 from females) were collected from different marketplaces and farms in Thi-Qar province. Direct smear and flotation techniques were used to examine the presence of Eimeria oocysts in the fecal samples. The sporulated oocyst shape indices were determined microscopically. Hematoxylin and eosin, as well as Periodic-Acid Schiff stains, were used to document potential pathological lesions and Eimeria developmental phases within the small (duodenum, jejunum, and ileum) and large (caeca) intestines. Four species, according to the criteria adopted, Eimeria bateri, Eimeria uzura, Eimeria tsunodai, and Eimeria fluminensis were uncovered in current study, with shape indices of 1.30, 1.36, 1.30, and 1.05, respectively. The total infection rate was 64.54%; and the morphological characteristics of the oocysts was identified. The highest infection rate was in E. bateri (41.78%), while the lowest infection rate was in E. fluminensis (7.98%). The highest prevalence rate was in March 84.84% with a significant effect at (P≤0.01). The sex of quail had no significant effect of the coccidiosis infection. The study revealed a destruction in the epithelium of the mucosa and submucosa of the intestine and development of the Eimeria stages, which led to malabsorption and consequently weight loss and economic losses in the quail industry.

scholarly journals Histopathological Study of Cyclosporine Pulmonary Toxicity in Rats

2016 ◽  
Vol 2016 ◽  
pp. 1-7 ◽  
Author(s):  
Said Said Elshama ◽  
Ayman El-Meghawry EL-Kenawy ◽  
Hosam-Eldin Hussein Osman
Keyword(s):  
Body Weight ◽  
Periodic Acid ◽  
Physiological Saline ◽  
Immunosuppressive Drugs ◽  
Albino Rats ◽  
Histopathological Study ◽  
Histopathological Changes ◽  
Periodic Acid Schiff ◽  
Male Adult ◽  
Body Weight Reduction

Cyclosporine is considered one of the common worldwide immunosuppressive drugs that are used for allograft rejection prevention. However, articles that address adverse effects of cyclosporine use on the vital organs such as lung are still few. This study aims to investigate pulmonary toxic effect of cyclosporine in rats by assessment of pulmonary histopathological changes using light and electron microscope examination. Sixty male adult albino rats were divided into three groups; each group consists of twenty rats. The first received physiological saline while the second and third groups received 25 and 40 mg/kg/day of cyclosporine, respectively, by gastric gavage for forty-five days. Cyclosporine reduced the lung and body weight with shrinkage or pyknotic nucleus of pneumocyte type II, degeneration of alveoli and interalveolar septum beside microvilli on the alveolar surface, emphysema, inflammatory cellular infiltration, pulmonary blood vessels congestion, and increase of fibrous tissues in the interstitial tissues and around alveoli with negative Periodic Acid-Schiff staining. Prolonged use of cyclosporine induced pulmonary ultrastructural and histopathological changes with the lung and body weight reduction depending on its dose.

scholarly journals Identification of Brachyspira spp. in the cecum of broiler chickens using histology and in situ diagnostic assays

2021 ◽  
Vol 42 (5) ◽  
pp. 2813-2824
Author(s):  
Monica Regina de Matos ◽  
◽  
Aline Patrícia Grzegozevski ◽  
Alessandra da Cruz ◽  
Arthur Colombari Cheng ◽  
...  
Keyword(s):  
Broiler Chickens ◽  
Periodic Acid ◽  
Goblet Cells ◽  
Ffpe Tissue ◽  
Economic Losses ◽  
Periodic Acid Schiff ◽  
Tissue Samples ◽  
Rabbit Polyclonal Antibody ◽  
Formalin Fixed Paraffin Embedded

The genus Brachyspira corresponds to the group of bacteria formerly classified into the genus Serpulina and includes several commensal and pathogenic intestinal spirochetes that affect pigs, poultry, and other animal species, including humans. In birds, some pathogenic species of this genus causes a condition known as avian intestinal spirochetosis, which remains underdiagnosed, thereby causing serious economic losses. Brachyspira is a fastidious organism that necessitates the employment of fast and efficient identification techniques. The aim of this study was to identify Brachyspira spp. using histology, immunohistochemistry (IHC) and fluorescence in situ hybridization (FISH) in formalin-fixed paraffin embedded (FFPE) tissue samples from the cecum of commercial poultry. Samples were collected from 129 birds aged between 35 and 45 days from commercial broiler farms. For evaluation, routine histology processing (H&E) and the histochemical technique, periodic acid–Schiff (PAS) were done. Additionally, FFPE tissue samples were evaluated for FISH and IHC. The histological lesions were analyzed and graded after H&E staining, and the goblet cells were counted and compared using PAS staining with the positive and negative samples obtained through FISH and IHC. For FISH, probes labeled with Brachyspira spp., B. pilosicoli, B. hyodysenteriae, and B. intermedia were used, whereas rabbit polyclonal antibody specific for Brachyspira spp. was used for IHC. Of 129 samples, 82 were positive with IHC and 86 were positive with FISH. The samples positive for the genus Brachyspira in the FISH technique were tested for B. pilosicoli, B. hyodysenteriae, and B. intermedia in which 56 were positive for B. pilosicoli, 75 for B. hyodysenteriae and 80 for B. intermedia. There was an increase in goblet cells in the samples positive for FISH and IHC. The techniques used were effective and gave corresponding results, thus serving as a fast and efficient tool for diagnosis.

Morphological evaluation of canine platelets on Giemsa- and PAS-stained blood smears

2005 ◽  
Vol 53 (3) ◽  
pp. 337-350 ◽  
Author(s):  
Dóra Halmay ◽  
P. Sótonyi ◽  
P. Vajdovich ◽  
T. Gaál
Keyword(s):  
Diabetes Mellitus ◽  
Skin Diseases ◽  
Periodic Acid ◽  
Morphological Characteristics ◽  
Diagnostic Value ◽  
Endocrine Disorders ◽  
Periodic Acid Schiff ◽  
Giant Platelets ◽  
Immune Mediated ◽  
Blood Smears

The morphology of canine platelets (changes in size, shape, staining characteristics, degree of activation and clump formation, distribution of granules, appearance of vacuoles on Giemsa-stained smears) was investigated in 20 healthy control and 181 diseased dogs. In the group of the sick dogs 84 animals suffered from disorders affecting directly the haematological parameters or the haematopoietic organs such as bleeding, thymic haemorrhage, haemolytic disorders, lymphoma, immune-mediated thrombocytopenia, and other 97 dogs were affected by other diseases (hepatopathy, nephropathy, hepatic, splenic or intestinal neoplasm, skin diseases, diabetes mellitus, Cushing'ssyndrome, sepsis). The alterations found in platelet morphology were not specific for any disorder. The most common platelet abnormalities were polychromasia and the presence of giant platelets. These changes occurred in a high number in disorders accompanied by bleeding or haemolysis. Anisocytosis was the most frequent finding in hepatic, splenic or intestinal neoplasms and in certain endocrinopathies. Microcytosis was observed in immune-mediated thrombocytopenia, hepatic neoplasms and endocrine disorders. Extreme platelet activation was common in haemolysis, hepatopathies, neoplastic diseases and sepsis. Vacuolisation was present in thymic haemorrhage, pancreatitis, diabetes mellitus and Cushing's syndrome. A new morphologic phenomenon, i.e. a ring-like formation of granules, was described in the cytoplasm of the platelets both in healthy and diseased animals. In addition, two forms of pathologic granulation were also described for the first time in Giemsa-stained blood smears: the pseudonuclear and the spot-like formation of granules, which were observed especially in disorders affecting the blood cells. The granulation and morphological characteristics of platelets on smears stained by periodic acid-Schiff reaction (PAS) were also studied. Three localisations of granulation were observed, such as peripheral, eccentric and diffuse. The ratio of PAS-positive and -negative platelets was evaluated in several diseases. Our findings support the diagnostic value of platelet evaluation by light microscopy and help clinicians/clinical pathologists to understand why morphologic changes of thrombocytes might be expected in several diseases.

Morphology of the Cricopharyngeal Muscle in Zenker and Control Specimens

2002 ◽  
Vol 111 (7) ◽  
pp. 573-578 ◽  
Author(s):  
Stacey L. Schulze ◽  
Susan K. Danielson ◽  
John S. Rhee ◽  
Robert J. Toohill ◽  
Judith I. Kulpa ◽  
...  
Keyword(s):  
Striated Muscle ◽  
Periodic Acid ◽  
Size Variation ◽  
Morphological Characteristics ◽  
Complete Analysis ◽  
Zenker’S Diverticulum ◽  
Periodic Acid Schiff ◽  
Cricopharyngeal Muscle ◽  
Zenker's Diverticulum ◽  
Fresh Cadaver

The cricopharyngeal muscle (CPM) is essential for normal deglutition. Pharyngeal dysphagia commonly results from impaired or uncoordinated CPM dilation. Dysfunction of the CPM has also been implicated in the genesis of Zenker's (pharyngoesophageal) diverticulum. Despite the CPM's significance, little is understood about its morphology. We studied CPM biopsy specimens from 20 patients with Zenker's diverticulum and from 5 fresh cadaver patients with detailed histologic techniques to include fiber size and shape and adenosine triphosphatase, reduced nicotinamide adenine dinucleotide, trichrome, succinate dehydrogenase, cytochrome C oxidase, periodic acid-Schiff reaction, oil red O, acid phosphatase, Congo red, crystal violet, and monoadenylate deaminase stains. The normal CPM has unique morphological characteristics, with some myofibers having staining properties that are a hybrid between striated muscle and muscle spindle. The variable orientation of the muscle fibers is also different from that of most other striated musculature. Of the 20 Zenker CPM specimens, 4 specimens did not reveal any significant differences from controls (2 of which had insufficient amounts of tissue for complete analysis). In the remaining 16 specimens, several abnormalities existed, including excessive size variation (16/16), grouping of atrophic fibers (9/16), target or targetoid formations (4/16), cores (2/16), and ragged red fibers (2/16). The final pathological pattern of the 16 specimens was neurogenic in 7, myopathic in 4, and mixed (with neurogenic predominance) in the remaining 5. Two specimens contained significant lymphocytic inflammatory infiltrates. We conclude that the unique neuromuscular function of the CPM in deglutition is likely due to its fiber orientation and the hybrid nature of some of the myofibers. Morphological disturbances of the CPM impair its dilation and may account for the development of Zenker's diverticulum. This disturbance is most often due to progressive denervation of the CPM.

scholarly journals Cystadenocarcinoma simulating hemangiosarcoma of the salivary gland in dog: case report

2011 ◽  
Vol 63 (3) ◽  
pp. 574-578
Author(s):  
C.O. Gamba ◽  
K.A. Damasceno ◽  
C.B. Campos ◽  
E. Ferreira ◽  
G.D. Cassali
Keyword(s):  
Salivary Gland ◽  
Blood Cells ◽  
Periodic Acid ◽  
Morphological Characteristics ◽  
Immunohistochemical Analysis ◽  
Histopathological Analysis ◽  
High Grade ◽  
Periodic Acid Schiff ◽  
Tumor Mass ◽  
Pas Staining

Cystadenocarcinoma is regarded as a rare adenocarcinoma variant in animals. This work reports the case of an 8-year-old female Poodle dog with salivary gland cystadenocarcinoma with morphological characteristics similar to a hemangiosarcoma. Histopathological analysis showed a tumor mass with cystic formations containing a large amount of red blood cells. In order to distinguish these two entities, periodic acid Schiff (PAS) staining and immunohistochemical analysis were carried out with the use of cytokeratin AE1/AE3 (CK) and CD31-specific antibodies. Neoplastic cells were PAS-negative, CK-positive and CD31-negative confirming their epithelial origin. Based on the findings, the diagnosis of high grade cystadenocarcinoma was established.

scholarly journals Chronic Tonsillitis: A Recent Histopathological Study

2016 ◽  
Vol 8 (1) ◽  
pp. 1-5 ◽  
Author(s):  
Wail Fayez Nasr ◽  
Samir S Sorour ◽  
Mohammed K Mobasher ◽  
Hesham R Abd El Aziz
Keyword(s):  
Histopathological Examination ◽  
Periodic Acid ◽  
Inflammatory Cells ◽  
University Hospital ◽  
Chronic Tonsillitis ◽  
Histopathological Study ◽  
Level Of Evidence ◽  
Periodic Acid Schiff ◽  
Level Ii ◽  
Hematoxylin And Eosin

ABSTRACT Objectives The aim of this study is to assess the incidence of tonsillomycosis in chronic tonsillitis on histopathological basis post-tonsillectomy in children. Study design Cohort study. Level of evidence Level II. Setting Ter tiary University Hospital, Department of Otorhinolaryngology. Materials and methods This study included 75 cases of children suffering from chronic tonsillitis (43 females and 32 males). On assessment of the clinical condition of the children with history taking, clinical examination, and preoperative investigation, post-tonsillectomy tonsils are placed in a separate container in 10% formol saline, and then are sent for histopathological examination using hematoxylin and eosin and periodic acid–Schiff (PAC). Results The obtained result had 31.3% of tonsils (47/150) with histopathological evidence of fungal invasion of tonsillar tissue with immune reaction and the presence of chronic inflammatory cells. After statistical analysis of the collected crude data, we found that results have come in accordance with previous studies. Conclusion Tonsillomycosis is a cause of chronic tonsillitis. Haphazard use of antibiotics and dental caries has a significant predisposing role in tonsillomycosis. Neutropenia can be considered as an indicator for tonsillomycosis. It is considerable in hypertrophic tonsils. How to cite this article Nasr WF, Sorour SS, Mobasher MK, Abd El Aziz HR. Chronic Tonsillitis: A Recent Histopathological Study. Int J Otorhinolaryngol Clin 2016;8(1):1-5.

scholarly journals Granulomatous dermatosis: histopathological study in a tertiary care hospital

2017 ◽  
Vol 5 (9) ◽  
pp. 3869
Author(s):  
Teerthanath Srinivas ◽  
Hariprasad S.
Keyword(s):  
Clinical Data ◽  
Histopathological Examination ◽  
Periodic Acid ◽  
Tertiary Care ◽  
Histological Finding ◽  
Histopathological Study ◽  
Care Hospital ◽  
Diagnostic Challenge ◽  
Morphological Pattern ◽  
Periodic Acid Schiff

Background: Granulomatous dermatosis shares the histological finding of granuloma formation; it is usually formed because of the persistence of a non-degradable product of active hypersensitivity. The identical histological picture may be produced by several causes, which pose a diagnostic challenge to dermatopathologist, Present study aims at classifying cutaneous granulomatous dermatosis based on the morphology and aetiology of granulomas, and to highlight its significance for specific clinical diagnosis.Methods: A retrospective analysis of skin biopsy was done and cases of cutaneous granulomatous lesions diagnosed on histopathological examination were retrieved for a period of 8 years. Clinical data and diagnosis were retrieved from hospital records. Hematoxylin and eosin stained paraffin sections were reviewed. The morphological pattern of granuloma was classified into sarcoidal, necrotizing, necrobiotic and suppurative granulomas and further aetiological evaluation for the granulomatous dermatosis were done using various special stains like Periodic Acid Schiff stain, Fite-Farraco stain, Gomori methenamine silver stain and acid-fast bacilli stain.Results: A total of 228 cases of cutaneous granulomatous lesion were retrieved; out of these 93cases (40.79%) were sarcoidal granuloma type, 83cases (36.40%) were of suppurative granulomas, 29 cases (12.72%) were of necrobiotic granulomas, 20 cases (8.77%) were necrotizing granuloma and 3 cases (1.32%) had granulomatous dermatitis with vasculitis. Infective aetiology was the commonest cause for granulomatous dermatosis (57.89%), mainly by leprosy, tuberculosis and various fungal infection.Conclusions: Granulomatous dermatosis has significant overlap in histopathological picture of various granulomatous reactions. Morphology alone is seldom specific and cannot be used as diagnostic tool. It is better understood based adequate clinical data, morphology of granuloma, special stains and laboratory workup in arriving at a etiology specific diagnosis for definitive clinical management.

Ultrastructure of the Parotid Gland of the Nine-Banded Armadillo

1977 ◽  
Vol 35 ◽  
pp. 640-641
Author(s):  
J. R. Ruby
Keyword(s):  
Endoplasmic Reticulum ◽  
Parotid Gland ◽  
Periodic Acid ◽  
Acinar Cells ◽  
Duct System ◽  
Parotid Glands ◽  
Dasypus Novemcinctus ◽  
Anterior Portion ◽  
Periodic Acid Schiff ◽  
Thin Sections

Parotid glands were obtained from five adult (four male and one female) armadillos (Dasypus novemcinctus) which were perfusion-fixed. The glands were located in a position similar to that of most mammals. They extended interiorly to the anterior portion of the submandibular gland.In the light microscope, it was noted that the acini were relatively small and stained strongly positive with the periodic acid-Schiff (PAS) and alcian blue techniques, confirming the earlier results of Shackleford (1). Based on these qualities and other structural criteria, these cells have been classified as seromucous (2). The duct system was well developed. There were numerous intercalated ducts and intralobular striated ducts. The striated duct cells contained large amounts of PAS-positive substance.Thin sections revealed that the acinar cells were pyramidal in shape and contained a basally placed, slightly flattened nucleus (Fig. 1). The rough endoplasmic reticulum was also at the base of the cell.

Detection of Carriers in Glanzmann's Thrombasthenia

1983 ◽  
Vol 49 (03) ◽  
pp. 182-186
Author(s):  
G T E Zonneveld ◽  
E F van Leeuwen ◽  
A Sturk ◽  
J W ten Cate
Keyword(s):  
Bleeding Time ◽  
Periodic Acid ◽  
Type I ◽  
Clot Retraction ◽  
Periodic Acid Schiff ◽  
Glanzmann’S Thrombasthenia ◽  
Aggregation Response ◽  
Glanzmann's Thrombasthenia ◽  
Sds Page ◽  
Reduced State

SummaryQuantitative glycoprotein (GP) analysis of whole platelets or platelet membranes was performed by SDS-polyacrylamide gelelectrophoresis (SDS-PAGE) and periodic acid Schiff staining in the families of two unrelated Glanzmann’s thrombasthenia (GT) patients. Each family consisted of two symptom free parents, a symptom free daughter and a GT daughter. All symptom free members had a normal bleeding time, clot retraction and platelet aggregation response to adenosine 5’-diphosphate (ADP), collagen and adrenalin. Platelet Zw* antigen was normally expressed in these subjects. GT patiens, classified as a type I and II subject, showed reduced amounts of GP lib and of GP nia. Analysis of isolated membranes in the non-reduced state, however, showed that the amount of GP Ilia was also reduced in three of the four parents, whereas one parent (of the GT type I patient) and the two unaffected daughters had normal amounts of GP Ilia. Quantitative SDS-PAGE may therefore provide a method for the detection of asymptomatic carriers in GT type I and II.

Swim bladder mycosis in farmed rainbow trout Oncorhynchus mykiss caused by Phoma herbarum and experimental verification of pathogenicity

2020 ◽  
Vol 138 ◽  
pp. 237-246 ◽  
Author(s):  
J Řehulka ◽  
A Kubátová ◽  
V Hubka
Keyword(s):  
Rainbow Trout ◽  
Histopathological Examination ◽  
Periodic Acid ◽  
Bladder Wall ◽  
Swim Bladder ◽  
Cell Reactivity ◽  
Periodic Acid Schiff ◽  
Posterior Portion ◽  
Hepatic Congestion ◽  
Phoma Herbarum

In this study, spontaneous swim bladder mycosis was documented in a farmed fingerling rainbow trout from a raceway culture system. At necropsy, the gross lesions included a thickened swim bladder wall, and the posterior portion of the swim bladder was enlarged due to massive hyperplasia of muscle. A microscopic wet mount examination of the swim bladder contents revealed abundant septate hyphae, and histopathological examination showed periodic acid-Schiff-positive mycelia in the lumen and wall of the swim bladder. Histopathological examination of the thickened posterior swim bladder revealed muscle hyperplasia with expansion by inflammatory cells. The causative agent was identified as Phoma herbarum through morphological analysis and DNA sequencing. The disease was reproduced in rainbow trout fingerlings using intraperitoneal injection of a spore suspension. Necropsy in dead and moribund fish revealed extensive congestion and haemorrhages in the serosa of visceral organs and in liver and abdominal serosanguinous fluid. Histopathological examination showed severe hepatic congestion, sinusoidal dilatation, Kupffer cell reactivity, leukostasis and degenerative changes. Fungi were disseminated to the liver, pyloric caeca, kidney, spleen and heart. Although infections caused by Phoma spp. have been repeatedly reported in fish, species identification has been hampered by extensive taxonomic changes. The results of this study confirmed the pathogenicity of P. herbarum in salmonids by using a reliably identified strain during experimental fish infection and provides new knowledge regarding the course of infection.

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