Actinomycosis pathology outlines

The filamentous bacteria are a normal commensal inhabitant of the oral and buccal cavities, gastrointestinal tract and female genitalia. The etiology of infection in skin is commonly linked with a traumatic injury, human bite or a perforating injury, which creates an anaerobic environment for Actinomyces israelii to grow in ( J Clin Diagn Res. Colon nontumor - Actinomycosis. Due to infection by anaerobic or microaerophilic, saprophytic bacteria of genus Actinomyces, a normal commensal of mouth, large intestine, vagina ; Disruption of mucosa is necessary for disease - causes are trauma, surgery, diverticular disease, ingestion of foreign body, or less commonly other inflammatory processe

Pathology Outlines - Actinomycosi

  1. Usually caused by Actinomyces israelii, a gram positive anaerobe ; Associated with intrauterine devices (Obstet Gynecol 1996; 87:142), with colonization rate of 11%; increases with duration of use (J Reprod Med 1994;39:585, IPPF Med Bull 1983;17:1) Actinomycetes normally reside in the female genital tract, so presence does not indicate disease (Am J Obstet Gynecol 1999;180:265
  2. Actinomycosis is a rare chronic disease caused by Actinomyces spp., anaerobic Gram-positive bacteria that normally colonize the human mouth and digestive and genital tracts. Physicians must be aware of typical clinical presentations (such as cervicofacial actinomycosis following dental focus of infection, pelvic actinomycosis in women with an intrauterine device, and pulmonary actinomycosis in.
  3. Actinomycosis is a chronic, suppurative granulomatous inflammation caused by Actinomyces israelli which is a gram positive organism that is a normal commensal in humans. Multiple clinical features of actinomycosis have been described, as various anatomical sites can be affected. It most commonly affects the head and neck (50%)

Primary perianal actinomycosis is rare. Sporadic cases, with lesions varying in extent have been reported. The infection is caused by the bacterium Actinomyces, which often is a saprophyte. Male gender and diabetes are risk factors, but the exact pathogenic mechanism remains speculative. The diagnos 30100 Telegraph Road, Suite 408, Bingham Farms, Michigan 48025 (USA Actinomycosis is a subacute-to-chronic bacterial infection caused by filamentous, gram-positive, non-acid-fast, anaerobic-to-microaerophilic bacteria. It is characterized by contiguous spread, suppurative and granulomatous inflammation, and formation of multiple abscesses and sinus tracts that may discharge sulfur granules The disease was originally discovered by Otto Bollinger in 1870, and its name was coined by Sebastiano Rivolta in 1884. The name refers to its grape-like granules (Greek: botryo = grapes) and the mistakenly implied fungal etiology (Greek: mykes = fungus) In 1919 the bacterial origin of the infection was discovered

Hepatic actinomycosis is an uncommon entity that forms communicating abscesses and fistulae. A case is presented in which findings on ultrasound, CT, and percutaneous injection of the abscess all reflected the pathologic process. Biopsy by thin-needle aspiration under CT guidance afforded prompt, ac Etiology. Primary abscesses may arise due to disruption of ovarian capsule, as in ovulation or surgical intervention (vaginal hysterectomy, ovarian cystectomy, caesarean section, pregnancy, use of intrauterine device, transvaginal or percutaneous needle aspiration of endometrioma or follicle aspiration as part of in vitro fertilization, Tunis. Actinomycosis of the head-and-neck region is a significant entity because it can mimic other common lesions especially in the oropharynx. In cases of recurrent tonsillitis and tonsillar hypertrophy, tonsillectomy is the treatment of choice and histopathological examination of resected tissue is strongly advocated. This report supports the view. Case Report. Actinomycosis of the mandible. Naveen Sharma 1, Seema Singh 1, Devendra Kumar Ravi 1, Mohan Kumar 2, Manoj Pandey 1. 1 Departments of Surgical Oncology, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221 005, India; 2 Departments of Pathology, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221 005, India; Submitted: April 30, 2012 Follicular hyperplasia - see lymph node pathology. +/-Colonies (clusters) of actinomycetes in the tonsillar crypts. DDx: Non-Hodgkin lymphoma. Others - see tonsil. IHC. If there is a clinical suspicion - a panel to exclude (small cell) non-Hodgkin lymphomas: CD3. CD20. CD5. CD10. CD23. Cyclin D1. Sign ou

Actinomyces species are prokaryotic bacteria that most commonly cause cervicofacial infection. Although a well-known cause of suppurative pneumonia, actinomycosis is an extremely rare diagnosis. Pulmonary actinomycosis often presents with parenchymal disease, with less than 2% showing pleural involvement. 1 Although cases of empyema have been. Pathology Outlines - Actinomycosis. Multiple sinuses in foot. Actinomyces israelii Actinomycosis Cutaneous actinomycosis Tropheryma whipplei Whipple's disease Arcanobacterium haemolyticum Arcanobacterium haemolyticum infection Actinomyces gerencseriae

Actinomyces infection is a recognised cause of chronic appendicitis that can histologically mimic Crohn's disease. Methods and results: We report on 20 cases of appendicitis with Crohn's-like histological features that were due to Actinomyces. Most patients presented with acute or chronic abdominal pain ACTINOMICOSIS INTESTINAL PDF. November 23, 2019. admin. Personal Growth. Actinomycosis is a rare infectious bacterial disease caused by Actinomyces species. They are also normal commensals among the gut flora of the caecum; thus, abdominal actinomycosis can occur following removal of the appendix. La actinomicosis es una enfermedad que debe ser. Actinomycosis: A rare soft tissue infection Mohammad S Fazeli MD, Hamed Bateni MD Dermatology Online Journal 11 (3): 18 From The Department of Surgery , Imam Khomeini Hospital, Tehran. mhfazeli@gmail.com Abstract. Actinomycosis is a chronic and suppurative infection caused by an endogenous Gram-positive bacterium Bacteria. From Libre Pathology. Jump to navigation Jump to search. Bacteria are single celled microorganisms, without a nucleus (prokaryotes), that can cause lots of morbidity and mortality. They are not infrequently seen by pathologists

Pathology Outlines - Actinomycosis

A review is presented of the vaginal cytology, pathologic changes and clinical implications of intrauterine contraceptive device (IUD) usage, with special reference to IUD-related actinomycosis. The laboratory diagnosis of Actinomyces in routinely stained cervicovaginal smears is discussed, includin Actinomycosis is a chronic and suppurative infection caused by an endogenous gram-positive bacterium, Actinomyces israelii. The usual sites of infection are the head and neck, thorax, and abdomen. Primary disease of the extremities is uncommon and has an association with trauma and bites. The main differential diagnosis is tuberculosis; the. Acute postoperative endophthalmitis caused by Actinomyces neuii after uncomplicated phacoemulsification with posterior chamber intraocular lens implant in a 58-year-old male has been reported. On postoperative day 6, he presented with pain, redness, and decreased visual acuity. Chronic endophthalmitis by Actinomyces neuii subspecies anitratus after uneventful phacoemulsification with.

Video: Actinomycosis: etiology, clinical features, diagnosis

Actinomycosis in histopathology - Review of literatur

  1. Pathology Outlines - Actinomycosis. Actinomycosis occurs rarely in humans, but rather frequently in cattle as a disease called lumpy jaw. Skin inflammatory nontumor Infectious disorders Actinomycosis Author: Weedon's Skin Pathology, 3rd Edition. Caused by Actinomyces israelii in humans and Actinomyces bovis in animals
  2. Tumors of the Mammary Gland, Atlas of Tumor Pathology, AFIP Third Series, Fascicle 7, 1993 Going JJ, Anderson TJ, Wilkinson S, Chetty U. Granulomatous lobular mastitis. J Clin Pathol. 1987 May;40(5):535-40
  3. R.L. Cole Enterprise, Inc is a trucking company in Cleveland, OH that provides services such as materials hauling, clean fill dumping, site prep, excavation, and landscaping to contractors in Ohio

The bacterial infections include botryomycosis, nocardiosis and actinomycosis. The parasitic conditions include orbital pythiosis, strongyloidiasis, schistosomiasis and cutaneous larva migrans. In addition, Splendore-Hoeppli reaction may be seen with non-infective pathology such as hypereosinophilic syndrome and allergic conjunctival granulomas Ve los libros recomendados de tu género preferido. Envío gratis a partir de $59 Actinomycosis is a chronic granulomatous infection caused by Actinomyces species which may involve only soft tissue or bone or the two together. Actinomycotic osteomyelitis of maxilla is relatively rare when compared to mandible. These are normal commensals and become pathogens when they gain entry into tissue layers and bone where they establish and maintain an anaerobic environment with.

Pathology Outlines - Actinomycosis Predisposing factors include poor oral hygiene, trauma, male gender, diabetes mellitus, immunosuppression, alcoholism and malnutrition Infect Drug Resist ;7: This infection depends on other bacteria Gram-positive, Gram-negative, and cocci to aid in invasion of tissue 1. Zhonghua Bing Li Xue Za Zhi. 2006 Jan;35(1):17. [Actinomycosis of ovary: report of a case]. [Article in Chinese] Huang YZ, Wu WQ, Chen FF Actinomycosis. Pathology Outlines Actinomycosis. Epocrates Actinomycosis Treatment Options. Learning Radiology Actinomycosis . Research: Fine needle aspiration cytology of cervicofacial actinomycosis Isolated Abdominal Wall Actinomycosis Associated with an Intrauterine Contraceptive Device: A Case Report and Review of the Relevant Literature. 4. Discussion. Canaliculitis is a disease which is most commonly thought to be associated with yellow, gritty concretions secondary to Actinomyces species. As mentioned previously, the classic histopathology in Actinomyces-related infection reveals basophilic masses with an eosinophilic periphery and a background of Gram-positive, filamentous bacteria [1-3] Abdominal actinomycosis has been recognised for over 150 years yet remains largely unknown to most clinicians.It's varied presentations are usually considered to represent malignancy rather than an infective process - and was once described as 'the most misdiagnosed disease'.Actinomyces are gram positive bacilli of the Actinomycetales genus, and A. israelii is responsible for the.

Actinomycosis, a rare and unsuspected cause of anal

Actinomyces israelii is a commensal organism of the oral cavity so the rounded aggregates of Actinomyces organisms seen above in tonsillar crypts are not pathogenic. The aggregates can also be seen in the setting of clinical infection, particularly in purulent material (pus) draining from abscesses, where they are large enough to be seen. Sarcoidosis is a chronic granulomatous disease of unknown etiology and is characterized by the presence of noncaseating granulomas in the involved tissues. There is often multi system involvement typically with prominent pulmonary and cutaneous findings, as well as involvement of the liver, spleen, and various locations in the head and neck 1. Introduction. Actinomycosis is an indolent, slowly progressive infection characterized by abscess formation, tissue fibrosis and draining sinuses and caused by Actinomyces species.. Actinomyces species are Gram-positive, non-acid fast, anaerobic bacteria that are rare but treatable causes of central nervous system (CNS) infection. We present a case of multiple brain abscesses due to. The Lymphoma Hidden in Actinomycosis O Linfoma Escondido na Actinomicose Liliana Carneiro a,∗ , Rute Ferreira a , João Pinto b a b Medicine Department, Hospital Pedro Hispano, Unidade Local de Saúde de Matosinhos, Matosinhos, Portugal Pathology Department, Hospital Pedro Hispano, Unidade Local de Saúde de Matosinhos, Matosinhos, Portuga

Copper accumulation in actinomyces druses during endometritis after long-term use of an intrauterine contraceptive device. Ultrastructural pathology, 26(5), 323-329. Kim, M., Ko, J., & Lee, C. (2014). Pelvic actinomycosis with abundant ascites, pleural effusion, and lymphadenopathy diagnosed with endometrial biopsy and treated with medication only Depending upon the population under consideration, gastric adenocarcinomas account for 40-90% of all cases of Krukenberg tumors. Colorectal adenocarcinomas account for 15-20% of cases. Rare sources for Krukenberg tumor are carcinomas of breast, gall bladder, ampulla of Vater, small intestine, appendix, cervix, and urinary bladder. slide 31 of 46 4.3 Actinomyces Actinomyces are gram positive, anaerobic, commensal bacteria, found in oral cavity, colon and vagina in humans. The incidence of Actinomyces of the palatine tonsil can be as high as 40%, as reported in a recent study.12 It has been suggested that actinomycosis infection of the tonsil may indicate an aetiologic rol

Intestinal actinomycosis | Contributed by Dr

Pathology Outlines - Actinomyces (pending

Actinomycosis: Background, Pathophysiology, Epidemiolog

Jeffrey K. Actor PhD, in Elsevier's Integrated Review Immunology and Microbiology (Second Edition), 2012 Actinomyces. Actinomyces spp. are gram-positive, obligate anaerobes known to reside in the mouth and intestinal tract. They are morphologically similar to fungus in that they form filamentous branches. Pathology due to proliferation of organisms usually occurs following injury or trauma to. Saslow D, Solomon D, Lawson HW, et al. American Cancer Society, American Society for Colposcopy and Cervical Pathology, and American Society for Clinical Pathology screening guidelines for the prevention and early detection of cervical cancer. J Low Genit Tract Dis. Jul 2012;16(3):175-204. 30. Morse AR, Coleman DV, Gardner SD Indications for endometrial biopsy. Abnormal bleeding: Abnormal uterine bleeding (AUB).. Dysfunctional uterine bleeding, abbreviated DUB, is diagnosed if other causes of bleeding are excluded.; DUB may get a D&C if they fail medical management.; Post-menopausal bleeding. Other indications: Products of conception - dealt with in a separate article.; Dating of endometrium - infertility work-up Diagnosis in short. Pulmonary alveolar proteinosis. H&E stain. LM. dense bodies or chatter (represent dead macrophages) within acellular eosinophilic material that is in the alveoli. LM DDx. pulmonary edema, pneumocystis pneumonia, pulmonary hemorrhage (acute), mycobacterial infection, Nocardia infection. Stains Initial Database. Background. A total of 16 specimens from 16 patients were identified which met the criteria for canaliculitis concretions. Open Dent J 2012;6:153-6. a ndin g sometimes referred to as botryomycosis. Can be divided in 3 stages: Initial inflammatory stage Classic stage with abundant Michaelis-Gutmann bodies Third stage with progressive fibrous tissue and scarring.

Pathology Outlines - Botryomycosi

2. Discussion. Gastric actinomycosis is a rare clinical condition with only 25 cases reported to date. It is a chronic suppurative infection caused by the anaerobic Gram-positive filamentous bacteria Actinomyces, usually Actinomyces israelii.1, 2. The rarity of gastric involvement by actinomycosis has been attributed to the high lumenal acidity of the stomach which inhibits bacterial growth In cervical smears, follicular cervicitis is detected by areas with lymphoid cels of different sizes and, in rare zones, elements suggesting centro-follicular structures. Histopathology atlas Cytopathology atlas. IARC, 150 Cours Albert Thomas, 69372 Lyon CEDEX 08, France - Tel: +33 (0)4 72 73 84 85 - Fax: +33 (0)4 72 73 85 75 Immunoglobulin (Ig)G4-related pseudotumors of the liver are very rare diseases that are difficult to distinguish from malignant tumors. They can be usually improved by steroid therapy. Actinomycosis is a chronic, suppurative, granulomatous infection, for which immune suppression is a predisposing factor. It can also mimic malignant tumors Introduction. Tubo-ovarian abscess (TOA) is a recognised and serious complication of untreated pelvic inflammatory disease (PID). It most commonly affects women of reproductive age and nearly 60% of women with TOA are nulliparous. 1 TOA is defined as an inflammatory mass involving the tube and/or ovary characterised by the presence of pus. The most common cause is ascending/upper genital tract.

Pathology Outlines - Colo

Contact Pathology Residency and Fellowship Program Pathology Residency and Fellowship Program The Warren Alpert Medical School of Brown University c/o Rhode Island Hospital 593 Eddy Street, APC11-42A Providence, RI 02903 Phone: 401-444-5057 Fax: 401-444-8514 Email [email protected Actinomyces - 40x by Pathology Outlines Contributed by: Marilin Rosa, MD, University of Florida. Active Moonmilk by Oregon Caves Moonmilk is an Actinomyces bacterial growth in the cave which in some strains may have properties similar to Penicillin. While much of it has dried and been encased in formation, active moonmilk still exists in this.

Amyloidosis 1. AmyloidosisAmyloidosis Dr. Deepak K. Gupta 2. Amyloidosis • Extracellular deposition of fibrillar proteinaceous substance called amyloid - a 'waxy substance' composed essentially of an abnormal proteinprotein - Particularly around the supporting fibres of blood vessels and basement membranes The filamentous bacterium actinomyces can cause serious gynaecological tract infections, including pelvic inflammatory disease (PID) and tubo-ovarian abscess. Thus, definitive diagnosis of actinomycotic granules (AMGs) in gynaecological specimens is clinically important. Non-infectious pseudoactinomycotic radiate granules (PAMRAGs) can mimic the microscopic appearance of AMGs Epidemiology . Breast infections are the most common benign breast problem during pregnancy and the puerperium ().The global prevalence of mastitis in lactating women ranges from 1-10% (7-11).However, a recent Cochrane review suggested that the incidence of mastitis could be as high as 33% ().The incidence is highest in the first few weeks postpartum, decreasing gradually after that ()

Hepatic actinomycosis: CT feature

  1. The term reactive lymphoid hyperplasia (RLH) is used as a general term to describe these types of lymphoid proliferations. In the orofacial region, RLH most often occurs in the oropharynx, Waldeyer's tonsillar ring, the soft palate, the lateral tongue, and the floor of the mouth.2 Waldeyer's ring includes the lingual and palatine tonsils.
  2. Net lung pathology outlines Pathology Outlines - Adenocarcinoma overvie . The H&E stain demonstrates a micropapillary pattern, which is a poor prognostic factor. Lung adenocarcinoma is associated with exposure to radon, not benzene, and is typically found in the peripheral regions or upper lobes of the lung
  3. iature polygonal to round squamous cells with orangeophilic cytoplasm and dot like pyknotic nuclei (red atrophy or pseudoparakeratosis)
  4. Granulomatous pleuritis is a descriptive term referring to granulomatous inflammation of the pleura. Causes of granulomatous pleuritis include infectious and noninfectious etiologies. Tuberculosis is the most common infectious cause. However, infection from nontuberculous mycobacteria, fungi, (e.g., Cryptococcus neoformans ), parasites, and.
  5. atum 60 year old man from India with 6 cm lesion on thigh for 25 years, no genital lesions. See topic: here. Contributed by.

Pathology Outlines - Absces

In Surgery of the Anus, Rectum & Colon (Third Edition), 2008. PATHOLOGY. Pilonidal sinus is a chronic inflammatory disorder consisting of a midline pit most commonly sited behind the anal canal between the buttocks (Søndenaa and Pollard, 1992).It is often associated with lateral secondary tracks, which usually emerge cephalad and away from it (Figure 13.1) Periapical pathology 22 (1) 1. PULP AND PERIAPICAL DISEASES Submitted by Hina bhatia (521) 2. Contents Introduction Pathobiology of periapex Acute and chronic Inflammation Vs Immunology Classifications of pulpoperipaical pathoses Clinical signs and symptoms. 4. Introduction Actinomycosis is a chronic bacterial infection of which the causative agent belongs to the large family of Actinomyces [1,2].This saprophytic bacterium can be found on the human body in the gastrointestinal, oropharyngeal, and urogenital tracts [].Generally non-pathogenic, it can be responsible for infection by contiguity in case of erosion of the mucous membranes, evolving chronically and.

Actinomycotic infection of the tonsils: a case report and

BACKGROUND Pelvic-abdominal actinomycosis is a rare chronic condition caused by an anaerobic, gram-negative rod-shaped commensal bacterium of the Actinomyces species. When Actinomyces becomes pathogenic, it frequently causes a chronic infection with granulomatous abscess formation with pus. Due to d Actinomycosis is a chronic suppurative granulomatous bacterial infection caused by Actinomyces israelii, which is a slow growing, filamentous, gram positive, non-spore forming anaerobic, or microaerophilic bacteria. Actinomyces species are usually found in human oropharynx, gastrointestinal tract, vagina, and they grow slowly with conditions of. Pelvic actinomycosis comprises a rare, subacute to chronic bacterial infection characterised by suppurative and granulomatous inflammation. Diagnosis is difficult as it may simulate pelvic malignancies. Laboratory and radiological findings are non-specific. We reported on 2 cases of pelvic actinomycosis mimicking ovarian malignancy with different management approaches that lead to opposite. Prognosis, in general, seems to be good, as far as the urinary tract is concerned. CASE REPORT P. J. (T43-81781), an 80 year old colored male farmer, was admitted here on February 20, 1943, with a chief complaint of bladder trouble. He had 12 chil- 296  ACTINOMYCOSIS OF THE TESTICLE dren, all alive and well

Pathology Outlines - Fungi-MaduramycosisPathology Outlines - Fungi- MaduramycosisPathology practical actinomycosis and maduramycosis 22 07Pathology Outlines - Small bowel (small intestine)

Abnormalities of glandular cells Abnormalities of squamous cells Acanthosis Acetic acid test Actinomyces Actinomycosis Adenocarcinoma Adenofibroma Adenosis Adenosquamous carcinoma AGC: atypical glandular cells Amphophilic Anisokaryosis ASC: atypia of squamous cells ASC-H ASC-H and atrophy ASC-H and atypical immature metaplasia ASC-H and reserve. Anaplasmosis is a disease caused by the bacterium Anaplasma phagocytophilum.These bacteria are spread to people by tick bites primarily from the blacklegged tick (Ixodes scapularis) and the western blacklegged tick (Ixodes pacificus).People with anaplasmosis will often have fever, headache, chills, and muscle aches Pictures. Eosinophilic panniculitis: Eosinophilic panniculitis = vyradit, asi fasciitis, HE 40x (5031) Eosinophilic panniculitis, HE 20x (5104) Eosinophilic panniculitis, HE 20x (5105

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