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Gustaw K. [Chronic fatigue syndrome following tick-borne diseases]. Neurol Neurochir Pol 2003; 37:1211-21. [PMID: 15174234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
The chronic fatigue syndrome (CFS) is characterized by a feeling of tiredness persisting for over 6 months, associated with a number of other symptoms including headaches, myalgia and arthralgia, memory and concentration impairment. Its cause is unknown, there are neither objective diagnostic methods, nor causal treatment of the condition. In view of hypotheses suggesting a relationship between CFS and infections, 86 patients with a history of borreliosis or tick-borne encephalitis were examined. In 50% of these cases CFS could be identified. This clinical pattern was found in as many as 71% of the borreliosis patients, while only 24% of those with history of tick-borne encephalitis were diagnosed with CFS. Moreover, in the patients with a history of borreliosis after symptomatic treatment recommended for CFS, an amelioration was noted in as many as 61% of the cases. The findings suggest that the chronic fatigue syndrome is frequent among patients with a history of borreliosis.
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de la Fouchardiere A, Vandenesch F, Berger F. Borrelia-associated primary cutaneous MALT lymphoma in a nonendemic region. Am J Surg Pathol 2003; 27:702-3. [PMID: 12717258 DOI: 10.1097/00000478-200305000-00017] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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29
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Skarphédinsson S, Søgaard P, Pedersen C. Seroprevalence of human granulocytic ehrlichiosis in high-risk groups in Denmark. SCANDINAVIAN JOURNAL OF INFECTIOUS DISEASES 2002; 33:206-10. [PMID: 11303811 DOI: 10.1080/00365540151060860] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The aim of this study was to evaluate the seroprevalence of human granulocytic ehrlichiosis (HGE) among 300 residents in the county of Funen, Denmark. All of these people had either suspected or confirmed borreliosis. Two hundred control sera were included in the study. Samples were submitted by general practitioners and by hospital departments. An indirect immunofluorescence assay was used to identify sera reactive to HGE and an enzyme-linked immunosorbent assay was used to analyse Borrelia burgdorferi antibodies. There were 63 (21%) HGE-positive sera, 53 of which came from Borrelia-seropositive patients. Among patients with negative Borrelia serology, but with clinical suspicion of borreliosis, 14.3% were HGE-positive (n = 70). Of the 200 control sera, 3.5% were HGE-positive and 10.5% were Borrelia-positive. No HGE-positive samples were found among subjects < 20 y of age, wheras 20.4% of Borrelia seropositive samples where from subjects < 20 y of age. No mortality was observed in the HGE-positive group and the percentage of serum samples positive for both Borrelia and HGE did not differ significantly between hospitalized and non-hospitalized patients. Our study indicates that HGE infection with or without concomitant or previous Borrelia burgdorferi infection is common in tick-exposed individuals > 20 y old in the county of Funen, Denmark.
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Hovette P, Aubron C, Perrier-Gros-Claude JD, Schieman R, N'Dir MC, Camara P. [Value of Quantitative Buffy Coat (QBC) in borreliasis-malaria co-infection]. MEDECINE TROPICALE : REVUE DU CORPS DE SANTE COLONIAL 2001; 61:196-7. [PMID: 11582881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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31
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Alugupalli KR, Michelson AD, Barnard MR, Leong JM. Serial determinations of platelet counts in mice by flow cytometry. Thromb Haemost 2001; 86:668-71. [PMID: 11522020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
Elucidation of the pathophysiological basis of platelet disorders in murine models requires a reliable method for the frequent determinations of platelet counts in individual mice. Here, we present a rapid, reproducible and accurate flow cytometric method for enumeration of platelets that involves fluorescent staining of platelets in whole blood with specific antibody and the addition of known numbers of fluorescent beads for standardization of the sample volume. Analysis of platelets obtained by tail bleeding indicated that this sampling procedure did not activate platelets, and that only five microliters of blood were required for platelet counting. Using this method, we followed platelet counts in mice infected with the relapsing fever spirochete Borrelia turicatae for 26 days, and found that this bacterium induces thrombocytopenia, a common manifestation of human relapsing fever. Therefore, this method can be used to follow the number and the activation state of circulating platelets from individual mice over extended periods of time and is applicable to a wide range of murine models of platelet disorders.
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32
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Alekseev AN, Dubinina EV, Vashukova MA, Volkova LI. [Borreliae as possible antagonists of tick-borne encephalitis virus: parasitologic and clinical aspects]. MEDITSINSKAIA PARAZITOLOGIIA I PARAZITARNYE BOLEZNI 2001:3-11. [PMID: 11680368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
Abstract
An attempt was made to compare the Borrelia-TBE-virus interface in Ixodes ticks and in patients. The authors suppose that Borrelia might suppress viral replication in ticks and in TBE-susceptible individuals. Whether antibiotics (particularly representatives of the tetracycline group) may be essential in treating tick-borne diseases is also discussed. Examples of antibiotic suppression of Borrelia that made the clinic presentation of encephalitis more severe as a consequence are analyzed and discussed. The calculated risk for borreliosis or tick-borne encephalitis and the actual morbidity rates were compared. Possible reasons for disagreement in the results are also discussed.
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Bär H, Pöhlmann G, Figulla HR. [Acute acral ischemia in all fingers possibly due to a Borrelia infection]. VASA 2000; 29:279-81. [PMID: 11141652 DOI: 10.1024/0301-1526.29.4.279] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Acute interruption of circulation in the distal fingers can be both expression of an embolic event as well as the first manifestation of a vasculitis or collagenosis. The search for its cause is frequently difficult. In many cases a specialized analysis of the coagulation system as well as diagnostics such as ultrasound scan of the heart or a systematic antibody scanning do not reveal the origin of an embolus or the underlying disorder. On the basis of a case-report we would like to focus on a possible context between an infection of Borrelias stage III and consecutive deterioration of peripheral arterial perfusion in the fingers. Besides Jo-1- and positive sceleton-muscle-antibodies there were no serological and clinical indications for an autoimmune disease. It was possible to avoid acral necrosis by means of an antibiotic, immunosuppressive and rheological therapeutic concept. We recommend to control the borellia-antibody-level in cases of obscure threatening peripheral necrosis caused by arterial perfusion stop.
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Marques AR, Weir SC, Fahle GA, Fischer SH. Lack of evidence of Borrelia involvement in Alzheimer's disease. J Infect Dis 2000; 182:1006-7. [PMID: 10950810 DOI: 10.1086/315792] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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35
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Hovette P, Perrier-Gros-Claude JD, Camara P, Spiegel A, Ba K, Wade B. [Borreliosis-malaria co-infection: "one course can hide another!"]. Presse Med 2000; 29:1176. [PMID: 10906939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/17/2023] Open
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36
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Abstract
Severe anemia requiring blood transfusion may complicate falciparum malaria, but is rare in nonfalciparum malaria. We present a case of a young man with high fever, severe hemolytic anemia, and a blood film containing massive co-infection with Plasmodium vivax and with Borrelia. The possible importance of the co-infection on the magnitude of hemolysis will be discussed.
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Barr WB, Rastogi R, Ravdin L, Hilton E. Relations among indexes of memory disturbance and depression in patients with Lyme borreliosis. APPLIED NEUROPSYCHOLOGY 1999; 6:12-8. [PMID: 10382566 DOI: 10.1207/s15324826an0601_2] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
This study examined the relation between complaints of memory disturbance and measures of mood and memory functioning in 55 patients with serological evidence of late-stage Lyme Borreliosis (LB). Patients completed the Self-Ratings of Memory Questionnaire (SRMQ) and the Beck Depression Inventory. Memory functioning was assessed with the California Verbal Learning Test. Depressed patients exhibited more frequent complaints of memory disturbance on the SRMQ, although their pattern of responses did not differ from nondepressed patients. There was a significant correlation between subjective memory ratings and self-reported depression (Spearman rho = -.57, p < .001). No relation was observed between subjective memory ratings and objective memory performance. The results indicate subjective complaints of more severe memory disturbance in patients with LB and depression. Particular attention should be paid to the assessment of depression and subjective symptoms of memory disturbance when administering neuropsychological tests of memory functioning in patients with LB.
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Svetina C, Barr WB, Rastogi R, Hilton E. The neuropsychological examination of naming in Lyme borreliosis. APPLIED NEUROPSYCHOLOGY 1999; 6:33-8. [PMID: 10382569 DOI: 10.1207/s15324826an0601_5] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Although subjective complaints of word finding and naming deficits are commonly reported by patients with Lyme Borreliosis (LB), the existence of these disturbances has not been thoroughly investigated. Forty-four patients with LB and 43 healthy controls were administered a symptom questionnaire, the Boston Naming Test (BNT), the Controlled Oral Word Association Test (COWAT), and a series of category naming tasks. LB patients had a higher rate of complaints of word-finding disturbance (55% vs. 14%). Lower mean scores were observed on the BNT, but not on the COWAT, nor on category naming tasks. Thirty-six percent of the LB sample exhibited BNT scores in the impaired range. BNT scores in this group were correlated with a measure of memory retrieval, but not with verbal fluency indexes. There was no relation between naming scores and depression. LB patients exhibit impairments in word finding that appear to be secondary to a generalized retrieval deficit.
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Adams WV, Rose CD, Eppes SC, Klein JD. Long-term cognitive effects of Lyme disease in children. APPLIED NEUROPSYCHOLOGY 1999; 6:39-45. [PMID: 10382570 DOI: 10.1207/s15324826an0601_6] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Most studies of adults infected with Lyme disease (LD) have found adverse cognitive effects from the disease. In contrast, the only controlled study investigating cognitive effects of LD in a pediatric population found no effects after a 2-year follow-up. However, it was questioned whether the negative effects might take longer than 2 years to emerge. Therefore, this investigation reports a 4-year follow-up of the original sample. Twenty-five children with strictly defined LD were compared with 17 sibling control children. A neuropsychological battery was utilized, including assessment of the cognitive areas of IQ, information processing speed, fine-motor dexterity, novel problem solving and executive functioning, short-term and intermediate memory, and acquisition of new learning. In addition, parents' subjective ratings were obtained on the disease's impact on their child's participation in everyday activities. No between-group differences were found for 17 of the 18 neuropsychological test measures, nor were there differences in parents' subjective ratings. Therefore, in contrast with studies of adults with LD, the results of long-term follow-up of the pediatric population continue to strongly support the finding that children treated appropriately for LD have an excellent prognosis for normal cognitive functioning.
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Singh J. Recurring fever and headache in a six-year-old child. Pediatr Infect Dis J 1999; 18:842, 847-8. [PMID: 10493356 DOI: 10.1097/00006454-199909000-00026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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41
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Elkins LE, Pollina DA, Scheffer SR, Krupp LB. Psychological States and Neuropsychological Performances in Chronic Lyme Disease. ACTA ACUST UNITED AC 1999; 6:19-26. [PMID: 10382567 DOI: 10.1207/s15324826an0601_3] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
The neuropsychiatric sequelae of chronic Lyme disease remains unclear. This study sought to characterize the psychological status of a group of participants who met criteria for post-Lyme syndrome (PLS). These measures were then used to examine the influence of psychological status on neuropsychological performances. Thirty PLS participants completed a structured psychiatric interview, the Positive and Negative Affect Schedule, the Lyme Symptom Checklist, and a battery of neuropsychological tests. As a group, the PLS participants did not appear to have an elevated incidence of psychiatric disorders, and psychiatric history was not useful for understanding neuropsychological performances or symptom reports. The mood of the PLS participants was characterized by lowered levels of positive affect (PA) and typical levels of negative affect. This combination can be distinguished from depression and is consistent with previous findings of affect patterns in individuals with chronic fatigue syndrome. PA was also linked to both total symptom severity and severity of cognitive complaints, but not to duration of illness, neurological manifestations at initial diagnosis, or treatment history. Relative to published normative data, neuropsychological performances were not in the impaired range on any measure. Neither psychological status nor symptom report were useful for understanding any aspect of cognitive functioning. It is concluded that decreased PA is the most useful marker of psychological functioning in PLS.
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42
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Neundörfer B. [Therapy of polyneuropathies]. Dtsch Med Wochenschr 1998; 123:1553-5. [PMID: 9893682 DOI: 10.1055/s-2007-1023889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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43
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Kaneda K, Masuzawa T, Simon MM, Isogai E, Isogai H, Yasugami K, Suzuki T, Suzuki Y, Yanagihara Y. Infectivity and arthritis induction of Borrelia japonica on SCID mice and immune competent mice: possible role of galactosylceramide binding activity on initiation of infection. Microbiol Immunol 1998; 42:171-5. [PMID: 9570282 DOI: 10.1111/j.1348-0421.1998.tb02268.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
We investigated the relationship between the binding activity to galactosylceramide (GalCer) and the arthritis induction activity of Borrelia japonica. The B. japonica strains maintained the ability to induce arthritis in inbred C3H/HeN and immunodeficient SCID mice, but the ability was lower than that of Borrelia burgdorferi sensu stricto virulent strain 297. Histopathological changes were restricted to the joints, and a marked effusion of polymorphonuclear neutrophils into the joint space was found. The binding activity of B. japonica strains to GalCer was lower than that of the virulent strain 297 but higher than that of the high-passage strain 297. The lower infectivity and virulence of B. japonica may explain its lower binding ability to GalCer.
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Cimperman J, Maraspin V, Lotric-Furlan S, Ruzić-Sabljić E, Avsic-Zupanc T, Picken RN, Strle F. Concomitant infection with tick-borne encephalitis virus and Borrelia burgdorferi sensu lato in patients with acute meningitis or meningoencephalitis. Infection 1998; 26:160-4. [PMID: 9646107 DOI: 10.1007/bf02771842] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
From September 1992 to August 1993, 338 patients over the age of 15 years presented to the Department of Infectious Diseases, University Medical Centre Ljubljana, with acute lymphocytic meningitis. In 89 of these patients (26.3%) serum IgM and IgG antibodies against tick-borne encephalitis (TBE) virus were detected, and in 59 patients (17.5%) a borrelial etiology of disease was demonstrated by one or more of the following presence of intrathecal antibody production, seroconversion to borrelial antigens, presence of erythema migrans, and/or isolation of Borrelia burgdorferi sensu lato from skin or cerebrospinal fluid. Of the 148 patients who fulfilled criteria for TBE or borrelial infection, concomitant infection with TBE virus and B. burgdorferi sensu lato was demonstrated in 12 patients (3.6% of all patients presenting with acute lymphocytic meningitis). In the majority of patients with concomitant infection the clinical features at presentation were characteristic of, or consistent with, TBE. In addition, during follow-up studies, eight of the 12 patients subsequently developed signs and symptoms compatible with minor and/or major manifestations of Lyme borreliosis. Six patients were diagnoses with neuroborreliosis based on signs or symptoms and/or laboratory tests. These findings show that in patients with acute lymphocytic meningitis or meningoencephalitis, originating in TBE and Lyme borreliosis endemic regions, the possibility of concomitant infection should be considered.
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Duncan LM, LeBoit PE. Are primary cutaneous immunocytoma and marginal zone lymphoma the same disease? Am J Surg Pathol 1997; 21:1368-72. [PMID: 9351575 DOI: 10.1097/00000478-199711000-00012] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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46
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[A 45-year-old patient with fever of unknown origin]. Rev Clin Esp 1997; 197:373-81. [PMID: 9280976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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47
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Noya M, Pardo J. [Diagnosis and treatment of facial palsy]. Neurologia 1997; 12:23-30. [PMID: 9131909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
The topographic diagnosis of facial nerve lesions is based on the symptoms that accompany paralysis, allowing lesions to be located in the protuberance, pontocerebellar angle, facial channel or trajectory distal to the stylomastoid foramen. Most cases of peripheral facial palsy have no apparent cause (idiopathic, or Bell's, peripheral facial palsy). However, facial palsy can sometimes be a manifestation of neuroborreliosis, multiple sclerosis, diabetes, HIV infection or neurinoma. Neurophysiologic studies complement physical examination to establish a prognosis; after the fifth day axonal degeneration related to incomplete recovery can be recognized. Magnetic resonance identifies nerve lesions but is useful only in atypical cases. Prednisone 1 mg/kg over 5 days, with gradual weaning, is the most widely accepted treatment for Bell's palsy. Acyclovir is indicated in Ramsay-Hunt syndrome. Early surgical decompression in cases with poor prognosis is not generally considered beneficial. Cases of permanent facial palsy have serious consequences, particularly because facial expression is altered.
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Granter SR, Barnhill RL, Duray PH. Borrelial fasciitis: diffuse fasciitis and peripheral eosinophilia associated with Borrelia infection. Am J Dermatopathol 1996; 18:465-73. [PMID: 8902092 DOI: 10.1097/00000372-199610000-00004] [Citation(s) in RCA: 59] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
We present four cases of diffuse fasciitis (DF) associated with peripheral eosinophilia in which spirochetal organisms were identified. Two patients had borderline positive results on serologic evaluation for Borrelia burgdorferi. Deep biopsy showed dermal sclerosis associated with variable degrees of perivascular mononuclear inflammation. Diffuse fasciitis, septal panniculitis, and myositis with mononuclear cell infiltrates and varying numbers of eosinophils were observed. All cases showed a striking lymphocytic vasculopathy associated with atypical reactive endothelial cells. Using modified Dieterle and Steiner silver stains, multiple organisms were seen in one specimen, a single unequivocal organism detected in two specimens. In one case, no organisms were detected on silver stain; however, organisms were demonstrated using rabbit polyclonal antibodies against B. burgdorferi. B. burgdorferi-specific DNA was identified in one patient by the polymerase chain reaction. These results indicate that some cases of eosinophilic fasciitis are an expression of Lyme disease. We have previously proposed the more specific term "borrelial fasciitis" to describe such lesions.
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Ohlenbusch A, Matuschka FR, Richter D, Christen HJ, Thomssen R, Spielman A, Eiffert H. Etiology of the acrodermatitis chronica atrophicans lesion in Lyme disease. J Infect Dis 1996; 174:421-3. [PMID: 8699080 DOI: 10.1093/infdis/174.2.421] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Spirochete diversity in acrodermatitis chronica atrophicans lesions in a closely defined central European site was compared to that in the local vector population, in human erythema migrans lesions, and in cerebrospinal fluid by amplifying and sequencing a segment of the gene of outer surface protein A directly from sampled tissues. Borrelia garinii, Borrelia afzelii, and Borrelia burgdorferi acutely infect human skin and invade internal tissues. Only B. afzelii, however, is associated with acrodermatitis chronica atrophicans lesions, persisting chronically where the skin has atrophied.
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50
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Vorob'eva NN, Burylov AI, Volegova GM. [Nervous system lesions in patients with ixodid tick-borne borreliosis]. MEDITSINSKAIA PARAZITOLOGIIA I PARAZITARNYE BOLEZNI 1996:19-22. [PMID: 9036275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Previous studies indicated that in the Perm Region there are two pathogen species: B. garinii and B. afzelii which cause the disease mainly with neurological and dermatological manifestations. In 1990-1994, in the Perm Region 646 patients with Ixodes tick-borne borreliosis (ITBB), including 535 with erythema migrans, 54 without it, and 57 with late chronic disease were studied. Damages to the central and peripheral nervous systems were detected at all stages of an infectious process. The prevalent clinical manifestations are encephalitis, encephalomyeloradiculoneuropathies, mono- and polyneuropathies. These abnormalities are more frequently formed in patients with its erythema-free type both in the acute period of the disease and in the late period of infection. A varying spectrum of neurological syndromes and their significant incidence determine the resemblance of ITBB in Russia and West Europe. The clinical findings are in good agreement with the results of etiological structural studies of ITBB in the region.
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