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Newman-Toker DE, Nassery N, Schaffer AC, Yu-Moe CW, Clemens GD, Wang Z, Zhu Y, Saber Tehrani AS, Fanai M, Hassoon A, Siegal D. Burden of serious harms from diagnostic error in the USA. BMJ Qual Saf 2024; 33:109-120. [PMID: 37460118 PMCID: PMC10792094 DOI: 10.1136/bmjqs-2021-014130] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 06/24/2023] [Indexed: 08/10/2023]
Abstract
BACKGROUND Diagnostic errors cause substantial preventable harms worldwide, but rigorous estimates for total burden are lacking. We previously estimated diagnostic error and serious harm rates for key dangerous diseases in major disease categories and validated plausible ranges using clinical experts. OBJECTIVE We sought to estimate the annual US burden of serious misdiagnosis-related harms (permanent morbidity, mortality) by combining prior results with rigorous estimates of disease incidence. METHODS Cross-sectional analysis of US-based nationally representative observational data. We estimated annual incident vascular events and infections from 21.5 million (M) sampled US hospital discharges (2012-2014). Annual new cancers were taken from US-based registries (2014). Years were selected for coding consistency with prior literature. Disease-specific incidences for 15 major vascular events, infections and cancers ('Big Three' categories) were multiplied by literature-based rates to derive diagnostic errors and serious harms. We calculated uncertainty estimates using Monte Carlo simulations. Validity checks included sensitivity analyses and comparison with prior published estimates. RESULTS Annual US incidence was 6.0 M vascular events, 6.2 M infections and 1.5 M cancers. Per 'Big Three' dangerous disease case, weighted mean error and serious harm rates were 11.1% and 4.4%, respectively. Extrapolating to all diseases (including non-'Big Three' dangerous disease categories), we estimated total serious harms annually in the USA to be 795 000 (plausible range 598 000-1 023 000). Sensitivity analyses using more conservative assumptions estimated 549 000 serious harms. Results were compatible with setting-specific serious harm estimates from inpatient, emergency department and ambulatory care. The 15 dangerous diseases accounted for 50.7% of total serious harms and the top 5 (stroke, sepsis, pneumonia, venous thromboembolism and lung cancer) accounted for 38.7%. CONCLUSION An estimated 795 000 Americans become permanently disabled or die annually across care settings because dangerous diseases are misdiagnosed. Just 15 diseases account for about half of all serious harms, so the problem may be more tractable than previously imagined.
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Abstract
OBJECTIVES We aimed to systematically identify and scrutinise published empirical evidence about overdiagnosis in malignant melanoma and examine how frequent overdiagnosis of melanoma is and whether this is related to different types of interventions or diagnostic technologies. DESIGN AND SETTING Empirical studies that discussed overdiagnosis in malignant melanoma were eligible, including qualitative and quantitative studies in any type of population, age group and geographical location. We excluded studies that did not include empirical data, studies that only mentioned 'overdiagnosis' without addressing it further and studies that used the term overdiagnosis for cases of misdiagnosis or false positives.We developed the search strategy in cooperation with an information specialist. We searched five databases on 21 April 2022: MEDLINE, Embase, CINAHL, PsycINFO and Cochrane Library.This scoping review adheres to The JBI methodology and Prefered Reporting Items for Systematic Reviews and Meta-analyses extension for Scoping reviews (PRISMA-ScR). Two reviewers independently screened titles, abstracts and full texts for inclusion and extracted data from the included studies. The data extracted include study characteristics, population details, research question, the context and the study's main results. RESULTS Our search resulted in 1134 potentially relevant studies. 35 studies were included: 29 register studies, 3 cohort studies, 1 case-control study, 1 survey study and 1 randomised controlled trial. Most register studies examined trends in melanoma incidence and/or mortality and found a significant increase in incidence between 0.39% and 6.6% annually and a little or no increase in mortality. Three cohort studies and one case-control study showed that skin screening was associated with increased detection of melanoma; especially in situ or thin invasive melanoma. Three studies estimated the degree of overdiagnosis which ranged from 29% to 60%. CONCLUSIONS Epidemiological data suggest a high degree of overdiagnosis in malignant melanoma. Studies that examined the association between skin screening and malignant melanoma all found increased detection of melanomas, mostly thin and in situ melanomas, which raises concern about overdiagnosis.
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Mewara A, Gile GH, Mathison B, Zhao H, Pritt B, Bradbury RS. Lophomonas as a respiratory pathogen-jumping the gun. J Clin Microbiol 2024; 62:e0084523. [PMID: 37902329 PMCID: PMC10793291 DOI: 10.1128/jcm.00845-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2023] Open
Abstract
Human infections with the protozoan Lophomonas have been increasingly reported in the medical literature over the past three decades. Initial reports were based on microscopic identification of the purported pathogen in respiratory specimens. Later, a polymerase chain reaction (PCR) was developed to detect Lophomonas blattarum, following which there has been a significant increase in reports. In this minireview, we thoroughly examine the published reports of Lophomonas infection to evaluate its potential role as a human pathogen. We examined the published images and videos of purported Lophomonas, compared its morphology and motility characteristics with host bronchial ciliated epithelial cells and true L. blattarum derived from cockroaches, analyzed the published PCR that is being used for its diagnosis, and reviewed the clinical data of patients reported in the English and Chinese literature. From our analysis, we conclude that the images and videos from human specimens do not represent true Lophomonas and are predominantly misidentified ciliated epithelial cells. Additionally, we note that there is insufficient clinical evidence to attribute the cases to Lophomonas infection, as the clinical manifestations are non-specific, possibly caused by other infections and comorbidities, and there is no associated tissue pathology attributable to Lophomonas. Finally, our analysis reveals that the published PCR is not specific to Lophomonas and can amplify DNA from commensal trichomonads. Based on this thorough review, we emphasize the need for rigorous scientific scrutiny before a microorganism is acknowledged as a novel human pathogen and discuss the potential harms of misdiagnoses for patient care and scientific literature.
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Benacek J, Lawal N, Ong T, Tomasik J, Martin-Key NA, Funnell EL, Barton-Owen G, Olmert T, Cowell D, Bahn S. Identification of Predictors of Mood Disorder Misdiagnosis and Subsequent Help-Seeking Behavior in Individuals With Depressive Symptoms: Gradient-Boosted Tree Machine Learning Approach. JMIR Ment Health 2024; 11:e50738. [PMID: 38206660 PMCID: PMC10811571 DOI: 10.2196/50738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 10/27/2023] [Accepted: 12/01/2023] [Indexed: 01/12/2024] Open
Abstract
BACKGROUND Misdiagnosis and delayed help-seeking cause significant burden for individuals with mood disorders such as major depressive disorder and bipolar disorder. Misdiagnosis can lead to inappropriate treatment, while delayed help-seeking can result in more severe symptoms, functional impairment, and poor treatment response. Such challenges are common in individuals with major depressive disorder and bipolar disorder due to the overlap of symptoms with other mental and physical health conditions, as well as, stigma and insufficient understanding of these disorders. OBJECTIVE In this study, we aimed to identify factors that may contribute to mood disorder misdiagnosis and delayed help-seeking. METHODS Participants with current depressive symptoms were recruited online and data were collected using an extensive digital mental health questionnaire, with the World Health Organization World Mental Health Composite International Diagnostic Interview delivered via telephone. A series of predictive gradient-boosted tree algorithms were trained and validated to identify the most important predictors of misdiagnosis and subsequent help-seeking in misdiagnosed individuals. RESULTS The analysis included data from 924 symptomatic individuals for predicting misdiagnosis and from a subset of 379 misdiagnosed participants who provided follow-up information when predicting help-seeking. Models achieved good predictive power, with area under the receiver operating characteristic curve of 0.75 and 0.71 for misdiagnosis and help-seeking, respectively. The most predictive features with respect to misdiagnosis were high severity of depressed mood, instability of self-image, the involvement of a psychiatrist in diagnosing depression, higher age at depression diagnosis, and reckless spending. Regarding help-seeking behavior, the strongest predictors included shorter time elapsed since last speaking to a general practitioner about mental health, sleep problems disrupting daily tasks, taking antidepressant medication, and being diagnosed with depression at younger ages. CONCLUSIONS This study provides a novel, machine learning-based approach to understand the interplay of factors that may contribute to the misdiagnosis and subsequent help-seeking in patients experiencing low mood. The present findings can inform the development of targeted interventions to improve early detection and appropriate treatment of individuals with mood disorders.
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Thomas AS, Trupthi MC, Ponmar M, Issac R. Misdiagnosed long-standing unilateral nasal obstruction: ossifying fibroma of the inferior turbinate. BMJ Case Rep 2024; 17:e255881. [PMID: 38199659 PMCID: PMC10806964 DOI: 10.1136/bcr-2023-255881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2024] Open
Abstract
A man in his 20s presented with complaints of unilateral nasal obstruction for the past 6 years that progressively worsened leading to irrational use of over-the-counter nasal decongestants. With the worsening of symptoms, a non-contrast CT was done. It showed a dense expansile sclerotic lesion of the right inferior turbinate, which was excised endoscopically. Cemento-ossifying fibromas of the inferior turbinate are rare and require assessment and surgical excision to relieve the symptom of nasal obstruction. It derives its name from the variable proportions of fibrous and mineralised tissue present in it and exclusively develops in the craniofacial region. It can be surgically managed by an endoscopic, an endonasal non-endoscopic (with a speculum) or an open approach (lateral rhinotomy, sublabial approach or mid-facial degloving). Here, we present how such a case was detected and managed surgically by the endoscopic approach, which is a minimally invasive option with shorter hospital stay and early recovery.
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Bordini BJ, Walsh RD, Basel D, Deshmukh T. Attaining Diagnostic Excellence: How the Structure and Function of a Rare Disease Service Contribute to Ending the Diagnostic Odyssey. Med Clin North Am 2024; 108:1-14. [PMID: 37951644 DOI: 10.1016/j.mcna.2023.06.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
Patients with rare or otherwise undiagnosed disorders frequently find themselves on a diagnostic odyssey, the often-prolonged journey toward diagnosis that can be characterized by significant physical, emotional, and financial hardship, as well as by diagnostic errors and delays. The wider availability of clinical exome sequencing has helped end many diagnostic odysseys, though diagnostic success rates of around 35% for exome sequencing leave many patients undiagnosed. Diagnostic yields can be improved via the implementation of advanced genetic testing modalities, though both these modalities and exome sequencing perform significantly better when paired with high-quality phenotypic data. Diagnostic centers of excellence can improve outcomes for patients on a diagnostic odyssey by providing a process and environment that address shortfalls in diagnostic access while providing high-quality phenotyping. Features of successful undiagnosed and rare disease evaluation teams are discussed and an illustrative case is provided.
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Salahaldeen D, Hanin S, Dana S, Dana A, Khalil W, Mohammad F, Yousef A. Misdiagnosed Asthma Turned Out to Be Bronchial Fibroepithelial Polyp: Case Report and Review of Literature. J Investig Med High Impact Case Rep 2024; 12:23247096241248981. [PMID: 38682757 PMCID: PMC11060025 DOI: 10.1177/23247096241248981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/22/2024] [Accepted: 04/06/2024] [Indexed: 05/01/2024] Open
Abstract
Bronchial fibroepithelial polyps are exceedingly rare with few cases have been reported. They can manifest with a wide array of symptoms; ranging from being totally asymptomatic, cough, refractory dyspnea, and hemoptysis. In our case, our patient's condition was diagnosed and was managed as asthma. It is one of the rare benign conditions to be encountered, shares similar morphology with other tumors such as angiomyofibroblastoma, aggressive angiomyxoma, and cellular angiofibroma. These lesions have a slow growth pattern which may end up with obstruction. According to the tumor size and symptoms caused by it, treatment varies from observation to complete resection. This case describes an incidental finding of fibroepithelial polyp in the main bronchus for a patient with long-term refractory cough for 5 years, was misdiagnosed to have asthma. Diagnosis typically involves imaging and bronchoscopy, followed by appropriate therapeutic measures and careful monitoring to assess the prognosis.
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Zheng LH, Liang L, Bai JP, Liao HX, Li YQ. Misdiagnosis of β-Thalassemia Major Due to Chinese Gγ+( Aγδβ) 0-Thalassemia Combined with β 0-Thalassemia. Hemoglobin 2024; 48:24-29. [PMID: 38240123 DOI: 10.1080/03630269.2023.2299439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 12/20/2023] [Indexed: 04/18/2024]
Abstract
δβ-thalassemia is a rare type of thalassemia characterized by increased Hb F levels, including mainly Chinese Gγ(Aγδβ)0-thalassemia, Yunnanese Gγ(Aγδβ)0-thalassemia, Cantonese Gγ(Aγδβ)0-thalassemia in China. Due to the low rate of δβ-thalassemia carriers, there are few reports of δβ-thalassemia combined with β-thalassemia causing β-thalassemia major. Herein, we described the combination of Chinese Gγ(Aγδβ)0-thalassemia and β-thalassemia leading to β-thalassemia major in a Chinese patient. Hemoglobin analysis was performed by capillary electrophoresis (CE). Routine genetic analysis was carried out by gap-polymerase chain reaction (Gap-PCR) and PCR and reverse dot blot (PCR-RDB). Multiple ligation-dependent probe amplification (MLPA) was used to detect the large deletion, and Gap-PCR confirmed the deletion. A CE result showed an elevated Hb F level of 98.7% and 11.7% in the proband and her mother, but the proband was diagnosed with βCD17M/βCD17M using routine genetic analysis. However, her father was heterozygous for CD17 in β-globin, and her mother was detected as SEA heterozygous. The further analysis presented that the proband had actually missed the diagnosis of Chinese Gγ(Aγδβ)0-thalassemia by MLPA and PCR-RDB. Finally, the genotype of the proband was corrected from βCD17M/βCD17M to βCD17M/βGγ(Aγδβ)0. This is the first report of Chinese Gγ(Aγδβ)0-thalassemia combined with β-thalassemia resulting in β-thalassemia major in China. Screening for δβ-thalassemia by Hb analysis could be an effective method.
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Gundogdu F, Ates Ozdemir D, Vargel I. A Case of Nasal Glial Heterotopia That Can Be Misdiagnosed as Storiform Patterned Sclerotic Fibroma/Collagenoma. Turk Patoloji Derg 2024; 40:134-137. [PMID: 38265101 PMCID: PMC11131565 DOI: 10.5146/tjpath.2023.13053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 11/29/2023] [Indexed: 01/25/2024] Open
Abstract
OBJECTIVE Nasal glioma, also known as nasal glial heterotopia, is a rare tumor-like lesion that often affects newborns or infants with no hereditary predisposition. CASE REPORT A 4-year-old child with a growth on the nasal dorsum since birth was diagnosed with nasal glial heterotopia/nasal glioma. The lesion showed a sclerotic fibroma/collagenoma-like storiform pattern with entrapped glial tissue that was S100 and GFAP positive. CONCLUSION When a biopsy of the nasal dorsum demonstrates sclerotic microscopic findings with a storiform pattern, nasal glioma should be considered before making a diagnosis in the collagen-rich tissue spectrum (collagenoma or Gardner's fibroma), and an immunohistochemical panel should be requested to demonstrate the presence of an unrecognized light microscopically visible glial component.
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Kuhn J, Mamede S, van den Berg P, Zwaan L, Elshout G, Bindels P, van Gog T. Teaching medical students to apply deliberate reflection. MEDICAL TEACHER 2024; 46:65-72. [PMID: 37402384 PMCID: PMC10841076 DOI: 10.1080/0142159x.2023.2229504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/06/2023]
Abstract
PURPOSE Deliberate reflection on initial diagnosis has been found to repair diagnostic errors. We investigated the effectiveness of teaching students to use deliberate reflection on future cases and whether their usage would depend on their perception of case difficulty. METHOD One-hundred-nineteen medical students solved cases either with deliberate-reflection or without instructions to reflect. One week later, all participants solved six cases, each with two equally likely diagnoses, but some symptoms in the case were associated with only one of the diagnoses (discriminating features). Participants provided one diagnosis and subsequently wrote down everything they remembered from it. After the first three cases, they were told that the next three would be difficult cases. Reflection was measured by the proportion of discriminating features recalled (overall; related to their provided diagnosis; related to alternative diagnosis). RESULTS The deliberate-reflection condition recalled more features for the alternative diagnosis than the control condition (p = .013) regardless of described difficulty. They also recalled more features related to their provided diagnosis on the first three cases (p = .004), but on the last three cases (described as difficult), there was no difference. CONCLUSION Learning deliberate reflection helped students engage in more reflective reasoning when solving future cases.
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Kwan JL, Calder LA, Bowman CL, MacIntyre A, Mimeault R, Honey L, Dunn C, Garber G, Singh H. Characteristics and contributing factors of diagnostic error in surgery: analysis of closed medico-legal cases and complaints in Canada. Can J Surg 2024; 67:E58-E65. [PMID: 38320779 PMCID: PMC10852193 DOI: 10.1503/cjs.003523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/09/2023] [Indexed: 02/12/2024] Open
Abstract
BACKGROUND Diagnostic errors lead to patient harm; however, most research has been conducted in nonsurgical disciplines. We sought to characterize diagnostic error in the pre-, intra-, and postoperative surgical phases, describe their contributing factors, and quantify their impact related to patient harm. METHODS We performed a retrospective analysis of closed medico-legal cases and complaints using a database representing more than 95% of all Canadian physicians. We included cases if they involved a legal action or complaint that closed between 2014 and 2018 and involved a diagnostic error assigned by peer expert review to a surgeon. RESULTS We identified 387 surgical cases that involved a diagnostic error. The surgical specialties most often associated with diagnostic error were general surgery (n = 151, 39.0%), gynecology (n = 71, 18.3%), and orthopedic surgery (n = 48, 12.4%), but most surgical specialties were represented. Errors occurred more often in the postoperative phase (n = 171, 44.2%) than in the pre- (n = 127, 32.8%) or intra-operative (n = 120, 31.0%) phases of surgical care. More than 80% of the contributing factors for diagnostic errors were related to providers, with clinical decision-making being the principal contributing factor. Half of the contributing factors were related to the health care team (n = 194, 50.1%), the most common of which was communication breakdown. More than half of patients involved in a surgical diagnostic error experienced at least moderate harm, with 1 in 7 cases resulting in death. CONCLUSION In our cohort, diagnostic errors occurred in most surgical disciplines and across all surgical phases of care; contributing factors were commonly attributed to provider clinical decision-making and communication breakdown. Surgical patient safety efforts should include diagnostic errors with a focus on understanding and reducing errors in surgical clinical decision-making and improving communication.
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He Y, Zuo Y, Che Y, Chen J. Metagenomic capture sequencing helped diagnose a case of atypical scrub typhus in man misdiagnosed as acute osteomyelitis. Travel Med Infect Dis 2024; 57:102682. [PMID: 38109983 DOI: 10.1016/j.tmaid.2023.102682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/13/2023] [Accepted: 12/15/2023] [Indexed: 12/20/2023]
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Çolak AF, Yalçınkaya B, Kaynar AF, Çetin A. Patient With Meniscal Ossicle: A Very Rare Clinical Condition Often Misdiagnosed. Am J Phys Med Rehabil 2024; 103:e8-e9. [PMID: 37339056 DOI: 10.1097/phm.0000000000002304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2023]
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Zhuravliov AS, Genis MY, Vasileva AS, Vasyukova OA, Tursunov II, Petropavlovsky MM, Taranenko DV, Karvetskaya VI, Kryatova AA, Lymishchenko VD, Razhbadinova NS. [The errors in intravital pathologicoanatomic diagnostic: a publications review]. PROBLEMY SOTSIAL'NOI GIGIENY, ZDRAVOOKHRANENIIA I ISTORII MEDITSINY 2024; 32:52-60. [PMID: 38349686 DOI: 10.32687/0869-866x-2024-32-1-52-60] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 11/02/2023] [Indexed: 02/15/2024]
Abstract
The review presents analysis of scientific publications considering medical errors in intravital pathologicoanatomic diagnostic. The examples of classification, rate of diagnostic errors and possible ways of decreasing the number of diagnostic errors in pathological anatomy are considered.
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Kim SH, Park MH, In SM, Jeong HY, Lee SM, Lee KI. A Large Pleomorphic Adenoma in Nasal Cavity Misdiagnosed as Inverted Papilloma. J Craniofac Surg 2024; 35:e16-e18. [PMID: 37639660 DOI: 10.1097/scs.0000000000009646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 06/14/2023] [Indexed: 08/31/2023] Open
Abstract
Pleomorphic adenoma (PA) is a benign tumor characterized by slow-growing mixed tumors in the craniofacial area. It is relatively common in salivary glands; however, PA of the nasal cavity, which arises in the minor salivary glands, is rare. We present the case of a large PA in the nasal cavity of an adult immunocompetent woman with nasal obstruction and intermittent epistaxis. Based on preoperative radiologic examinations, she was misdiagnosed with an inverted papilloma. Endoscopic resection was performed under general anesthesia. Pathologically, the patient was confirmed to have PA, which has great cellularity and few stromal components. No complications or recurrences during the 1-year follow-up period were observed.
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Victor AI, Jorge HC, Joaquin GB, Victor CR, Alicia de Gracia SA. Spasm of the near reflex misdiagnosed as bilateral VI nerve palsy. Pediatr Neonatol 2024; 65:89-90. [PMID: 37684162 DOI: 10.1016/j.pedneo.2023.05.006] [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] [Received: 02/01/2023] [Revised: 04/21/2023] [Accepted: 05/19/2023] [Indexed: 09/10/2023] Open
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de Boisriou I, Ellouze S, Kassasseya C, Feral-Pierssens AL, Gerlier C, Chauvin A, Beaune S, Dubreucq E, Pereira L, Chocron R, Khellaf M, Mariotte É, Zafrani L, Peyrony O. Misdiagnosis of thrombotic microangiopathy in the emergency department: a multicenter retrospective study. Intern Emerg Med 2024; 19:115-124. [PMID: 37914919 DOI: 10.1007/s11739-023-03457-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 10/08/2023] [Indexed: 11/03/2023]
Abstract
To estimate the rate of inappropriate diagnosis in patients who visited the ED with thrombotic microangiopathy (TMA) and to assess the factors and outcomes associated with emergency department (ED) misdiagnosis. Retrospective multicenter study of adult patients admitted to the intensive care unit (ICU) for TMA from 2012 to 2021 who had previously attended the ED for a reason related to TMA. Patient characteristics and outcomes were compared in a univariate analysis based on whether a TMA diagnosis was mentioned in the ED or not. Forty patients were included. The diagnosis of TMA was not mentioned in the ED in 16 patients (40%). Patients for whom the diagnosis was mentioned in the ED had more frequently a request for schistocytes research, and therefore had more often objectified schistocytes. They also had more frequently a troponin dosage in the ED (even if the difference was not significant), an ECG performed or interpreted, and were admitted more quickly in the ICU (0 [0-0] vs 2 [0-2] days; P = 0.002). Hemoglobin levels decreased significantly in both groups, and creatinine levels increased significantly in the misdiagnosis group between ED arrival and ICU admission. In patients with a final diagnosis of TTP, the time to platelets durable recovery was shorter for those in whom the diagnosis was mentioned in the ED without reaching statistical significance (7 [5-11] vs 14 [5-21] days; P = 0.3).
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Tardo AM, Del Baldo F, Leal RO, Galiazzo G, Pietra M, Gaspardo A, Fracassi F. Prevalence of eunatremic, eukalemic hypoadrenocorticism in dogs with signs of chronic gastrointestinal disease and risk of misdiagnosis after previous glucocorticoid administration. J Vet Intern Med 2024; 38:93-101. [PMID: 38053513 PMCID: PMC10800188 DOI: 10.1111/jvim.16921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 10/17/2023] [Indexed: 12/07/2023] Open
Abstract
BACKGROUND Dogs with eunatremic, eukalemic hypoadrenocorticism (EEH) typically show signs of chronic gastrointestinal disease (CGD). Previous glucocorticoid administration (PGA) can give false-positive results on the ACTH stimulation test (ACTHst). HYPOTHESIS/OBJECTIVES To determine the prevalence of EEH in dogs with signs of CGD, and to identify clinical and clinicopathological features for EEH and PGA. ANIMALS One hundred twelve dogs with CGD (101 non-PGA and 11 PGA), 20 dogs with EEH. METHODS Multicenter prospective cohort study. Basal serum cortisol (BSC) concentration was measured in dogs with signs of CGD. When BSC was <2 μg/dL and in PGA dogs, ACTHst plus measurement of endogenous ACTH (eACTH) were performed. Records of dogs with EEH from 2009 to 2021 were reviewed. RESULTS The BSC concentration was <2 μg/dL in 48/101 (47.5%) non-PGA and in 9/11 (82%) PGA dogs. EEH was diagnosed in 1/112 dog (prevalence 0.9%; 95% CI, 0.1%-4.8%); the ACTHst provided false-positive results in 2/11 PGA dogs. PGA dogs showed lower C-reactive protein-to-haptoglobin ratio (median 0.01, range 0.003-0.08; P = .01), and higher haptoglobin (140, 26-285 mg/dL; P = .002) than non-PGA dogs (0.04, 0.007-1.5; 38.5, 1-246 mg/dL, respectively). eACTH was higher (P = .03) in EEH (396, 5->1250 pg/mL) than in non-PGA dogs (13.5, 7.3-46.6 pg/mL). Cortisol-to-ACTH ratio was lower (P < .0001 and P = .01, respectively) in EEH (0.002, 0.0002-0.2) than in non-PGA (0.1, 0.02-0.2) and PGA dogs (0.1, 0.02-0.2). CONCLUSIONS AND CLINICAL IMPORTANCE The prevalence of EEH in dogs with signs of CGD was lower than previously reported. The clinical and clinicopathological features herein identified could increase the index of suspicion for EEH or PGA in dogs with an unclear history of glucocorticoid administration.
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Gao Q, Lv ML. Traumatic rupture of nephroblastoma misdiagnosed as isolated renal rupture in children. Asian J Surg 2024; 47:590-591. [PMID: 37827909 DOI: 10.1016/j.asjsur.2023.09.122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 09/22/2023] [Indexed: 10/14/2023] Open
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Shan YX, Li J, Yang X, Li L, Huang ZF. [Atypical Lymphocytosis:Report of Two Cases and Literature Review]. ZHONGGUO YI XUE KE XUE YUAN XUE BAO. ACTA ACADEMIAE MEDICINAE SINICAE 2023; 45:1005-1010. [PMID: 38173114 DOI: 10.3881/j.issn.1000-503x.15301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
To improve the diagnosis of atypical lymphocytes and reduce the misdiagnosis rate,we analyzed the medical records of 2 cases with cell morphology suggestive of atypical lymphocytes.One case was diagnosed with infectious mononucleosis and the other with aggressive NK cell leukemia.The purpose of this paper is to emphasize that the diagnosis of atypical lymphocytes based only on morphological interpretation of cells may be incorrect,which should be combined with clinical symptoms,signs,imaging examination,cell immunophenotype,and disease outcome.
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Joyo Y, Yasuma S, Usami T, Hattori Y, Noda Y, Kato S, Kondo R, Watanabe S, Waguri-Nagaya Y. Nontuberculous mycobacteriosis oligoarthritis of the right hand misdiagnosed as rheumatoid arthritis: A case report. Mod Rheumatol Case Rep 2023; 8:16-20. [PMID: 37750821 DOI: 10.1093/mrcr/rxad052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 03/05/2023] [Accepted: 09/07/2023] [Indexed: 09/27/2023]
Abstract
Infection with Mycobacterium marinum has several different clinical presentations. Most commonly, it appears as a solitary papulonodular lesion on an extremity. A rare presentation of osteoarticular M. marinum involving multiple small joints and tenosynovitis of the hand, which was misdiagnosed as rheumatoid arthritis, is reported. The patient was initially treated for seronegative rheumatoid arthritis but failed to respond to methotrexate. Magnetic resonance imaging showed arthritis and tenosynovitis. Subsequently, synovial biopsy led to histological and microbiological diagnosis. Antimycobacterial treatment should be started promptly in such cases. The combined use of rifampicin, ethambutol, and clarithromycin appears to be effective, and debridement is indicated in patients with deep-seated infections.
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Che Y, Zhong J, Chen Y, Xie J, Wang R, Xu Y, Zha J, Zeng M, Chen H. A newborn with convulsions 12 days after birth was misdiagnosed as neonatal intracranial hemorrhage: Case report. Medicine (Baltimore) 2023; 102:e36675. [PMID: 38206725 PMCID: PMC10754593 DOI: 10.1097/md.0000000000036675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 11/24/2023] [Indexed: 01/13/2024] Open
Abstract
INTRODUCTION Cases with early diagnosis of neonatal tuberous sclerosis syndrome (TSC) are relatively seldom seen, and misdiagnosis of intracranial hemorrhage is even more rare. We retrospectively analyzed the clinical data of a case of neonatal tuberous sclerosis with atypical early symptoms and misdiagnosed as more common intracranial hemorrhage of the newborn. PATIENT CONCERNS The child was female and had no obvious cause of convulsion 12 days after birth. The local hospital was initially diagnosed as "neonatal intracranial hemorrhage, congenital heart disease," and still had convulsions after 5 days of treatment, so it was transferred to neonatal intensive care unit of our hospital. DIAGNOSIS After admission, cardiac color ultrasound, magnetic resonance imaging, and electroencephalogram were performed, and TSC was diagnosed in combination with clinical symptoms. However, no known pathogenic mutations such as TSC1 and TSC2 were detected by peripheral blood whole exon sequencing. INTERVENTION After a clear diagnosis, sirolimus, and vigabatrin were given. But there were still convulsions. Topiramate, valproic acid, and oxcarbazepine were successively added to the outpatient department for antiepileptic treatment, and vigabatrin gradually decreased. OUTCOME Up to now, although the seizures have decreased, they have not been completely controlled. CONCLUSIONS The TSC of neonatal tuberous sclerosis is different from that of older children. It is usually characterized by respiratory distress and arrhythmia, and may be accompanied by convulsions, but the activity between attacks is normal. However, neonatal intracranial hemorrhage can be caused by premature delivery, birth injury, hypoxia, etc. Its characteristics are acute onset, severe illness, and rapid progression. Consequently, the diagnosis of these 2 diseases should not only be based on medical imaging, but also be combined with their clinical characteristics. When the imaging features are inconsistent with the clinical diagnosis, a comprehensive evaluation should be made again. The timing and pattern of onset of neonatal convulsions can help in differential diagnosis. If there is cardiac rhabdomyoma, subependymal or cortical nodule, skin low melanoma, etc, the possibility of neonatal TSC should be considered, and the diagnosis should be made according to its diagnostic criteria to avoid or reduce misdiagnosis.
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Guo HH, Song BY, Wang XR, Cui JX, Zhang ZB, Wang BY, Liu Y, Tan BB, Zhao Q. [A case of diaphragmatic hemangioma misdiagnosed as gastrointestinal stromal tumor of stomach]. ZHONGHUA WEI CHANG WAI KE ZA ZHI = CHINESE JOURNAL OF GASTROINTESTINAL SURGERY 2023; 26:1194-1195. [PMID: 38110283 DOI: 10.3760/cma.j.cn441530-20230613-00204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
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Nalawade D, Malani SK, Chigullapalli S, Chaudhary P. Role of 3D transoesophageal echocardiography in correct diagnosis of congenital isolated double orifice mitral valve in a young adult misdiagnosed as rheumatic heart disease. BMJ Case Rep 2023; 16:e258918. [PMID: 38114299 DOI: 10.1136/bcr-2023-258918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023] Open
Abstract
Double orifice mitral valve (DOMV) is an extremely rare congenital anomaly of the mitral valve (MV) wherein the MV orifice divides into two separate orifices by an accessory fibrous band.Isolated DOMV is a rarity and is often discovered incidentally. It may be associated with other congenital conditions wherein it is identified in early childhood. Its prevalence and prognostic relevance in adulthood remain unclear. DOMV patients may be asymptomatic or have symptoms due to mitral stenosis or regurgitation. We present a case of an asymptomatic young adult initially diagnosed with rheumatic mitral stenosis. However, after a thorough echocardiographic assessment, including three-dimensional transesophageal echocardiography, the accurate diagnosis of DOMV was made.
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Aloqaily M, Hayek SA, Shaf’ei M, Almaaita HW, AlShammas F, Daradkeh S. A Large Splenic Epidermoid Cyst Initially Misdiagnosed as a Hydatid Cyst. AMERICAN JOURNAL OF CASE REPORTS 2023; 24:e941585. [PMID: 38071426 PMCID: PMC10720924 DOI: 10.12659/ajcr.941585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 11/02/2023] [Accepted: 08/29/2023] [Indexed: 12/17/2023]
Abstract
BACKGROUND Splenic cysts are classified as either parasitic or non-parasitic cysts, with both types sharing similarities in their clinical presentation and imaging findings. Most splenic cysts are of parasitic origin, while non-parasitic splenic cysts are less common. Splenic epidermoid cysts (SECs) are a rare subtype of non-parasitic cysts and compromise only around 10% of them. CASE REPORT In this paper we present a case of 22-year-old man with no significant past clinical history, who presented with non-specific, vague symptoms, including persistent left upper-quadrant pain and discomfort for the last 2 years. A physical examination and extensive laboratory tests were inconclusive. Subsequently, the patient underwent multiple imaging studies including ultrasonography and computed tomography (CT) scan of the abdomen. His ultrasonographic findings were consistent with the diagnosis of hydatid cyst, which was further emphasized by its frequent occurrence in clinical practice, as our country is considered an endemic region. In light of this, he underwent laparoscopic splenectomy following percutaneous cyst drainage. The consequent histopathological examination revealed the diagnosis of splenic epidermoid cysts. CONCLUSIONS When encountering splenic cysts in regions where parasitic infections are endemic, special attention is needed, as physical examination, laboratory tests, and imaging studies alone are insufficient to differentiate among the types of cysts. Histopathological examination remains the diagnostic tool of choice, particularly when imaging findings are inconclusive. Splenectomy, with either a laparoscopic or open approach, is the treatment of choice for splenic cysts to prevent recurrence as well as other potential catastrophic complications.
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