Cat Scratch: Causes & Reasons

Warning: Do not use in emergencies, if pregnant, if under 18, or as a substitute for a doctor’s advice or diagnosis. Learn more

Possible Causes for Cat Scratch

Erythema Nodosum

Up to one quarter of the patients with cat-scratch disease present atypically, a considerably higher prevalence than previously reported. [ncbi.nlm.nih.gov]

Cat scratch disease (CSD) typically presents as a tender regional lymphadenopathy preceded by an inoculation papule with spontaneous resolution occurring between 8-16 weeks [ncbi.nlm.nih.gov]

Some of the more common infections associated with the disorder are: Streptococcus (most common) Cat scratch disease Chlamydia Coccidioidomycosis Hepatitis B Histoplasmosis [nlm.nih.gov]

Lymphadenitis

However, none of the epithelioid cell granulomas of Yersinia LA contains MBLs like in cat scratch disease. [jstage.jst.go.jp]

Cat scratch disease An organism called bartonellae henselae causes cat scratch disease, says Medline Plus. [livestrong.com]

In tularemia and cat scratch disease, monocytoid B lymphocytes (MBLs) with T cells and macrophages contribute to the formation of granuloma. [jstage.jst.go.jp]

Cat Scratch Fever

Patient information: See related handout on cat-scratch disease. Cat-scratch disease is a common infection that usually presents as tender lymphadenopathy. [aafp.org]

Cat-scratch disease is a common infection that usually presents as tender lymphadenopathy. [ncbi.nlm.nih.gov]

Cat-scratch disease (CSD) is an infectious disease that results from a scratch or bite of a cat. [en.wikipedia.org]

Cat Scratch Meningoencephalitis

The patient was alcohol dependent and had sustained several scratches from her pet cat, which her pet dog had licked. [casereports.bmj.com]

Cat Scratch Fever/Disease 6. About Disease  Cat scratch disease is a disease caused by bartonella bacteria. [slideshare.net]

Cat-scratch disease ( CSD ), also known as cat-scratch fever, Teeny's disease, inoculation lymphoreticulosis, and subacute regional lymphadenitis, is a common and usually [monsterologist.blogspot.com]

Flea Bite

You may notice your dog or cat scratch frantically and trying to bite the fleas in their fur. [rentokil.co.uk]

You may notice your dog or cat scratch frantically trying to bite the fleas in their fur. [rentokil.ie]

Bacillary Angiomatosis

The purpose of this study was to evaluate clinical cases of cat scratch disease (CSD) and bacillary angiomatosis involving the conjunctiva by special stains and transmission [ncbi.nlm.nih.gov]

Cat scratch fever Trench fever Angiomatosis [en.wikipedia.org]

This case emphasizes that bacillary angiomatosis may be seen in immunocompetent individuals and may be transmitted in other ways than cat scratches, e.g. by arthropods. [ncbi.nlm.nih.gov]

Acute Gastroenteritis

Cat scratch disease is often unrecognized and the full spectrum of its clinical manifestations remains to be investigated. [ncbi.nlm.nih.gov]

The cases of 2 siblings with cat scratch disease are described who presented with symptoms suggestive of acute febrile gastroenteritis. [ncbi.nlm.nih.gov]

Klebsiella

[…] monocytotropic ehrlichiosis Ehrlichia ewingii Ehrlichiosis ewingii infection Rhizobiales Brucellaceae Brucella abortus Brucellosis Bartonellaceae Bartonellosis: Bartonella henselae Cat-scratch [en.wikipedia.org]

Uveitis

This typically includes skin tests for Tuberculosis, blood tests for infectious diseases like syphilis, Lyme disease, Cat scratch disease, Histoplasmosis, and blood tests [avruc.com]

Infections can also cause uveitis, including those due to tuberculosis, Herpes virus, Cat-scratch disease, HIV, and various parasitic infections. [peregrineeye.com]

Mumps West Nile virus Lyme disease Cat-scratch disease AIDS Syphilis It’s rare, but you can also get uveitis after fungal or parasite infections like histoplasmosis or toxoplasmosis [webmd.com]

Suppurative Granuloma

References Abscess-forming granulomatous lymphadenitis: histological typing of suppurative granulomas and clinicopathological findings with special reference to cat scratch [humpath.com]

Suppurative granulomas (granulomas with central abscess or microabscess formation) are characteristic findings in lymph nodes in cat scratch disease, lymphogranuloma venereum [granuloma.homestead.com]

[…] granuloma; suppurative epithelioid granuloma; abscess-forming granulomatous lymphadenitis Etiology chalazion chronic granulomatous disease (MIM.306400) bacterial infections cat [humpath.com]

Animal Bite

Cat scratches, even from a kitten, can carry "cat scratch disease," a bacterial infection. Other animals can transmit rabies and tetanus. [stanfordchildrens.org]

Dog bites were almost twice as common among men, while cat bites-scratches were twice as common among women. [ncbi.nlm.nih.gov]

An infection known as cat-scratch disease may also result after a cat scratch. How can I prevent animal bites? [acctphilly.org]

Cervical Lymphadenitis

Cat scratch disease, caused by Bartonella henselae, is a worldwide zoonosis that is most frequently associated with the bite or scratch of a kitten under 6 months of age, [ncbi.nlm.nih.gov]

Common causes of subacute or chronic lymphadenitis include cat-scratch disease and mycobacterial infection. [ncbi.nlm.nih.gov]

Cat-scratch disease has also received widespread attention as a cause of regional adenitis. 8 Adamson 9 found a relatively high incidence of Group A streptococci in cervical [nejm.org]

Parinaud Syndrome

Margileth Pediatrics December 1957, 20 (6) 1000-1005; Abstract Ten children with proven cat scratch disease have been observed in the past 3 years. [pediatrics.aappublications.org]

A diagnosis of cat scratch disease was made. Catalina Arango-Ferreira, M.D. Jorge Castano, M.D. Universidad de Antioquia, Medellín, Colombia [email protected] [nejm.org]

The authors report a case of Parinaud syndrome (conjunctivitis with pre-auricular satellite adenitis) caused by Bartonella henselae, the etiologic agent of Cat Scratch Disease [ncbi.nlm.nih.gov]

Pruritic Rash

No case of pruritic rash associated with cat scratch disease has been previously reported. [ncbi.nlm.nih.gov]

In fact, one authority specifically states that the rash of cat scratch disease is nonpruritic. [ncbi.nlm.nih.gov]

Cat scratch disease is a benign, self-limited illness characterized by regional lymphadenopathy that usually occurs in association with a history of contact with a cat. [ncbi.nlm.nih.gov]

Pasteurella Multocida Infection

Sometimes I confuse the clinical manifestations of these two cat related diseases - Cat scratch disease caused by Bartonella henselae and Pasteurella multocida infection caused [medicowesome.com]

[…] leptospirosis A27.89 Other forms of leptospirosis A27.9 Leptospirosis, unspecified A28 Other zoonotic bacterial diseases, not elsewhere classified A28.0 Pasteurellosis A28.1 Cat-scratch [icd10data.com]

[…] by cat bites. [medicowesome.com]

Pars Planitis

The patient owned five kittens but had no history of cat bites or scratches. Serum levels of antibodies to Rochalimaea were elevated. [ncbi.nlm.nih.gov]

Infectious causes of intermediate uveitis include Epstein-Barr virus infection, Lyme disease, HTLV-1 virus infection, cat scratch disease, and hepatitis C. [en.wikipedia.org]

• antigen may be infectious(Lyme's, syphilis and cat-scratch fever), autoimmune-(multiple sclerosis and sarcoidosis) • Type II collagen in the vitreous may be an autoantigen [slideshare.net]

Bartonella Infection

Debré et al.81 in Paris first described patients with clinical cat-scratch disease (CSD) in 1931. [doi.org]

Bartonella cat scratch disease lymphadenopathy fever of unknown origin hepatosplenic disease Accepted October 8, 2007. [pediatrics.aappublications.org]

Abstract In this paper, we report an investigation on cat-scratch disease (CSD) in Northern Italy. [ncbi.nlm.nih.gov]

Peliosis Hepatis

Pleural effusion with anicteric hepatitis associated with cat-scratch disease: documentation by cat-scratch bacillus. Chest 1986 ; 89: 302 –3. 52. [dx.doi.org]

Cat scratch disease: a bacterial infection. Science 1983 ; 221: 1403 –5. 47. Kitchell CC, DeGirolami PC, Balogh K.. Bacillary organisms in cat scratch disease. [dx.doi.org]

[…] and cutaneous bacillary angiomatosis to the cat-scratch-disease bacillus, however. [dx.doi.org]

Lymph Node Tuberculosis

The patient confirmed having been scratched by a cat and the serology for Bartonella henselae was IgM /IgG-. [ncbi.nlm.nih.gov]

scratch disease and lymph node tuberculosis in a colon patient with cancer. ( 24334464 ) Matias M....Ribeiro L. 2013 30 Systemic lymph node tuberculosis presenting with an [malacards.org]

[…] cleft cyst, thyroglossal duct cyst, lymphangioma/hemangioma, dermoid, laryngocele, pharyngeal diverticulum, thymic cyst); infectious complications (eg, bacterial, viral, cat-scratch [emedicine.com]

Systemic Bartonellosis

Cat scratch disease See separate Cat Scratch Disease article. [patient.info]

Cat-scratch disease is the most common out of all the diseases constituting bartonellosis. Oroya fever is common in certain parts of South America. [en.mimi.hu]

Africa; malaria; tropical gastroenterological problems; dengue and dengue hemorrhagic fever; tuberculosis; Sexually Transmitted Diseases; SARS; avian flu; bartonellosis, cat-scratch [books.google.com]

Insect Bite

See also cat-bite abscess, cat-scratch disease, fighting. dog bite see animal bite (above). insect bite depending on the nature of the insect and the site, the tissue response [medical-dictionary.thefreedictionary.com]

Fleas serve as vectors for the transmission of numerous diseases including the plague, tularemia, cat scratch disease and cat flea typhus. 38 Treatment for fleas involves [podiatrytoday.com]

Skin Infection

A diagnosis of Pasteurella multocida skin infection due to a cat scratch was made. [ci.nii.ac.jp]

Treponema species cause syphilis, yaws and pinta Bartonella species cause cat scratch fever, bacillary angiomatosis, Carrion disease, and bartonellosis Mycobacterium species [dermnetnz.org]

Treponema species cause syphilis, yaws and pinta Bartonella species cause cat scratch fever, bacillary angiomatosis and bartonellosis Mycobacterium species cause tuberculosis [dermnetnz.org]

Ophthalmia Nodosa

[…] to an antigen test for cat scratch disease. [ncbi.nlm.nih.gov]

The patient, scratched by a cat six-and-a-half months earlier, presented a positive cat-scratch disease antigen test. [serval.unil.ch]

• causes  tularaemia, cat-scratch disease, tuberculosis, syphilis and lymphogranuloma venereum 185. [de.slideshare.net]

Granulomatous Hepatitis

In three patients with cat scratch disease the liver was affected. All three had high fever (39 degrees C) for more than 3 weeks. [ncbi.nlm.nih.gov]

Schistosomiasis Toxocariasis (Tongueworm, strongyloidasis, ascariasis, leishmaniasis) * Viral (Mononucleosis, cytomegalovirus infection, lymphogranuloma venereum, psittacosis, cat-scratch [medcosmos.com]

[…] toxoplasmosis, visceral larva migrans); viral infections, which are less common (eg, infectious mononucleosis, cytomegalovirus); and numerous others (eg, Q fever, syphilis, cat-scratch [hepatitiscentral.com]

Common Cold

[…] surgery An autoimmune disorder, such as sarcoidosis or ankylosing spondylitis An inflammatory disorder, such as Crohn's disease or ulcerative colitis An infection, such as cat-scratch [mayoclinic.org]

Streptococcal Infection

Cats can transmit bacterial infections to humans through biting and scratching. [ncbi.nlm.nih.gov]

Streptococcal infections in wounds caused by cat bites or scratches rarely have been reported in the literature. [ncbi.nlm.nih.gov]

The case of severe streptococcal skin infection after a 2-day-old cat scratch of the right arm, elbow, and forearm in a 68-year-old woman is presented herein. [ncbi.nlm.nih.gov]

New-Onset Refractory Status Epilepticus

Serologic results were positive for Bartonella henselae, and she was diagnosed with cat-scratch disease (CSD). [ncbi.nlm.nih.gov]

The patient's history revealed recent exposure to a new cat. [ncbi.nlm.nih.gov]

Paprika Splitters' Lung

Kanasasii M. marinum M. avian-intracellulare BCG vaccine Bacteria Brucella Yersinia Other Cat Scratch Lymphogranuloma Chemicals Aluminum Beryllium Titanium Zirconium Silica [neuromuscular.wustl.edu]

Kanasasii M. marinum M.avian-intrarellulare Bacille Calmette-Guerin (BCG) vaccine Bacteria Brucella Yersinia Other Infections Cat Scratch Lymphogranuloma Neoplasia Carcinoma [randyjacobsmd.com]

Splenic Abscess

Patients with cat-scratch disease (CSD), which is caused by Bartonella henselae, typically present with local lymphadenopathy with a brief period of fever and general symptoms [ncbi.nlm.nih.gov]

Cat-scratch disease is a common zoonotic infectious disease caused by Bartonella henselae. [ncbi.nlm.nih.gov]

Splenic absceses in cat scratch disease. J Clin Ultrasound 1989;17:511-4. Chulay JD, Lankerany MR: Splenic abscess. Am J Med 1976;61:513-22. [vitae.ucv.ve]

Parapharyngeal Abscess

Abstract The spectrum of illness attributed to cat-scratch disease (CSD) continues to expand. [ncbi.nlm.nih.gov]

Therapy with rifampin, trimethoprim-sulfamethoxazole, or gentamicin should be considered in cat-scratch disease directed at B. henselae. [anaerobicinfections.blogspot.com]

When mycobacterial or cat-scratch disease is suspected, incision and drainage should be avoided as chronically draining cutaneous fistulae often develops. 14 A large needle [anaerobicinfections.blogspot.com]