Initial Roentgenographic Manifestations of Bacteriologically Proven Mycobacterium tuberculosis

Farman, Douglas P.; Speir, William A.

doi:10.1378/chest.89.1.75

Cited by 36 publications

(17 citation statements)

References 4 publications

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“…Therefore, lesions located exclusively on right segments 7-10 and on left segments 8-10 were defined as atypical. With such criteria an incidence of 8.2% was observed, similar to that reported by other groups [2,4,[12][13][14],…”

Section: Discussionsupporting

confidence: 89%

“…The criteria used to differentiate primary from postpri mary PTB are immunological to a large extent: (a) recent tuberculin skin test conversion and isolation of Mycobac terium tuberculosis; (b) recent tuberculin skin test conver sion with radiological and clinical findings of PTB and negative culture, and (c) positive cultures without pre vious history of PTB, negative tuberculin skin test and normal radiographs [2], Identification of postprimary PTB is based on the iso lation of M. tuberculosis in patients with positive tubercu lin skin test or radiological evidence of the disease or pre vious positive culture [2],…”

Section: Discussionmentioning

confidence: 99%

“…Many reports point out the incidence of atypical roentgenograph ic forms of presentation [1,2], There is great variability among reports due to the difficulty in defining primary and postprimary PTB, since knowledge on patients' pre vious immunological status, or previous roentgenograph ic study indicating lung damage compatible with previous non-treated PTB is required [3,4] Recently, we assessed the incidence of atypical loca tions in our setting. These cases were identified using the exclusion criteria of classic postprimary location in seg ments 2, 4 or 5 and any other location involving these segments.…”

Section: Introductionmentioning

confidence: 99%

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Atypical Locations of Pulmonary Tuberculosis and the Influence of the Roentgenographic Patterns and Sample Type in Its Diagnosis

Navío

Jiménez²,

Pérez-Rodríguez³

et al. 1997

Respiration

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In 97 cases of pulmonary tuberculosis (PTB), we analyzed the incidence of atypical roentgenographic locations, roentgenographic patterns, the correlation between the diagnostic yield and the roentgenographic pattern and the usefulness of simple or induced sputum (82 cases), bronchoaspirate (BAS; 29 cases), postfiberoptic bronchoscopy sputum (PFBS; 16 cases) and how the different tests supplemented each other. Atypical locations were defined as those not corresponding to classic primary and postprimary PTB. This atypical-location PTB index was 8.2%, and roentgenographic patterns found most frequently were: destructive 52.5%, destructive-alveolar 20.6% and alveolar 12.3%. Lowenstein-Jensen (LJ) culture of the sputum of alveolar-pattern cases improved acid-fast bacillus (AFB) diagnosis by 46% (p < 0.005), in contrast to other radiologic patterns. Simple or induced sputum proved to be a very good diagnostic specimen in 98% of the cases (AFB staining 73.1% and LJ culture 89%). BAS increased the sputum yield by 21% and PFBS contributed only 1 additional case to the results obtained with BAS. Therefore, BAS is a very good supplemental test in cases of false-negative findings.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Atypical Locations of Pulmonary Tuberculosis and the Influence of the Roentgenographic Patterns and Sample Type in Its Diagnosis

Navío

Jiménez²,

Pérez-Rodríguez³

et al. 1997

Respiration

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“…Classically, reactivation of pulmonary tuberculosis in adults affects the apical or posterior segments of the upper lobe, or else the superior segment of the lower lobe [1]. However, a variety of radiographic findings have become more frequent in recent years.…”

Section: Discussionmentioning

confidence: 99%

Bilateral diffuse micronodular changes of radiographic presentation in a 42-year-old woman

Yagyu¹,

Morita²,

Takata³

et al. 2012

Breathe

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A 42-year-old woman was found to have abnormal shadow on a chest radiograph obtained during a periodic health examination. She had a history of chronic nonproductive cough on effort for several months. The patient was admitted for investigation. Her past medical history was unremarkable and there were no allergies or occupational exposure. She rarely smoked and consumed little alcohol. During her childhood years, her father had been on chronic treatment for pulmonary tuberculosis.The patient looked well with a blood pressure of 120/64 mmHg, heart rate of 64 beats?min -1 , regular respiratory rate of 14 breaths?min -1 and a temperature of 36.8uC. Examination of abdomen, nervous systems and cardiovascular and respiratory system were within normal limits. Finger clubbing wasn't noted on either hand and lymph nodes were not palpable. Her chest radiography and high-resolution CT (HRCT) scans are shown in figure 1. Statement of interest

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“…A study from Turkey recorded parenchymal infi ltrates followed by cavitary disease as common presentations of TB in a large number of patients [23] . Though the usual radiographic fi ndings of upper lobe infi ltrates and cavitary disease are reported as the commonest presentations, a relative increase in the frequency of unusual presentations, more pronounced in the elderly, in recent years are also reported [24][25][26] . Surprisingly, when severe disease was visualized on X-rays, the majority of patients presented with a low per-fi eld bacillary count.…”

Section: Discussionmentioning

confidence: 99%

Demographic Pattern and Clinical Characteristics of Patients with Smear- Positive Pulmonary Tuberculosis in Kuwait

Abal

Jayakrishnan²,

Parwer

et al. 2005

Med Princ Pract

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(29.3%) far-advanced disease. The majority of the patients (72%) had only + status for AFB in the smear. Hypercalcemia (25.7%), hyponatremia (22.15%) and hyperglycemia (29.9%) were common in the patients. Mean serum albumin was low (28.7 8 5.5 g/l). Two hundred and forty-seven (47.2%) were declared cured while 116 (22.2%) completed treatment. Comparison between nationals and expatriates showed a signifi cant difference only for age, smoking status, defaulter rate and place of residence. Conclusion: The lowest regional incidence was found in the Jahrah governorate. Both biochemical abnormalities and radiologically advanced presentations were common. Disease pattern and response to treatment was purely individual and did not differ with respect to nationality or race.

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Initial Roentgenographic Manifestations of Bacteriologically Proven Mycobacterium tuberculosis

Cited by 36 publications

References 4 publications

Atypical Locations of Pulmonary Tuberculosis and the Influence of the Roentgenographic Patterns and Sample Type in Its Diagnosis

Atypical Locations of Pulmonary Tuberculosis and the Influence of the Roentgenographic Patterns and Sample Type in Its Diagnosis

Bilateral diffuse micronodular changes of radiographic presentation in a 42-year-old woman

Demographic Pattern and Clinical Characteristics of Patients with Smear- Positive Pulmonary Tuberculosis in Kuwait

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