Tuberculosis of parotid gland masquerading parotid neoplasm

Vyas, Sameer; Kaur, Neeraj; Yadav, Thakur Deen; Gupta, Nalini; Khandelwal, Niranjan

doi:10.4103/0975-5950.111381

Cited by 12 publications

(8 citation statements)

References 11 publications

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“…Infection of parotid tissue can be by direct passage of bacillus from the oral cavity via the drainage channel of the gland. Haematogenous or lymphatic spread of the infection is also possible [ 2 ]. 25 percent of patients with parotid tuberculosis have a concomitant pulmonary infection [ 4 ].…”

Section: Discussionmentioning

confidence: 99%

“…The most useful examinations for the study of the parotid parenchyma are ultrasound, computed tomography and magnetic resonance imaging (MRI). They can identify malignancy signs and distinguish intraparotid from extraparotid locations [ 2 ]. In parotid MRI, TB appears as a T1 hyposignal and T2 hypersignal [ 12 ].…”

Section: Discussionmentioning

confidence: 99%

“…Tuberculosis (TB) is an infectious disease caused by Mycobacterium tuberculosis, which can affect any organ [ 1 ]. Even in countries where it is widespread, the parotid gland is rarely involved [ 2 – 4 ]. The diagnosis is not always easy because of the similarities in the presentation with a parotid tumor.…”

Section: Introductionmentioning

confidence: 99%

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Tuberculosis of the parotid gland: histology surprise

Errami¹,

Benjelloun²,

Tahtah³

et al. 2015

Pan Afr Med J

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The Parotid gland is rarely involved in tuberculosis, even in endemic countries. We report a case of a 26 year-old woman with no medical history, who presented with a swelling of the parotid lodge. Pathology performed after surgery found a tuberculous parotitis, and the patient received anti-tuberculous regimen with a satisfactory evolution. We discuss both diagnostic and therapeutic modalities for this infection.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Tuberculosis of the parotid gland: histology surprise

Errami¹,

Benjelloun²,

Tahtah³

et al. 2015

Pan Afr Med J

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“…None of our patients reported early tuberculosis. There are two possible forms: focal form and hematogenous dissemination form (5). Clinically, parotid TB can have polymorphous and nonspecific aspects.…”

Section: Discussionmentioning

confidence: 99%

Tuberculosis of The Parotid Gland in Children - A Report of 4 Cases

Borki

Bouti

Lahma

et al. 2015

IJMS

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Tuberculosis is a chronic granulomatous infection caused by Mycobacterium tuberculosis or bovis that can affect all organs. However being located in the salivary glands is rare, affecting mainly adults between 20 and 50 years, although a few cases were described in children. We reported a series of 4 children with parotid TB diagnosed and treated at the ENT department of the hospital of specialties of Rabat. The average age was 9.25 years and sex ratio M/F was 1. All children were admitted for parotid swelling evolving over an average period of 6 months which fistulized afterwards, a child had also facial paralysis. Histological analysis of the fine-needle aspiration or the sample taken from the fistula confirmed the diagnosis of tuberculosis with the presence of giant cell granuloma with caseous necrosis. All children received anti-bacillary treatment during 6 months, and showed good evolution. Although being rare, the parotid TB in children remains a condition to be considered at the occurrence of any chronic parotid swelling, especially in endemic countries.

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“… 1 – 5 Tuberculous involvement of the parotid lymph node is extremely rare, even in countries where TB is widespread. 6 – 8 The diagnosis of LNTB is not always easy because of its rarity and similarities in the presentation with parotid tumors. 9 …”

Section: Introductionmentioning

confidence: 99%

Tuberculosis of the parotid lymph nodes: clinical and imaging features

Zhang

Xiong

et al. 2018

IDR

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ObjectivesTo characterize clinical, computed tomography (CT) and magnetic resonance imaging (MRI) features of tuberculosis (TB) of the parotid nodes.Materials and methodsCT (n=21) and MR (n=7) images, and clinical data from 25 patients with TB of the parotid nodes were retrospectively analyzed by two experienced radiologists who reached consensus.ResultsYounger patients (aged <50 years) accounted for 72%. Eighty percent of patients were asymptomatic, and had no history of TB exposure. According to clinical and imaging findings, 64% and 60% patients were misdiagnosed as having tumors, respectively. A total of 43 lesions were identified. Thirty-eight (88.4%) lesions involved the superficial lobe. Fourteen (56%) cases had multiple lesions. There were four types of changes in the parotid fascia: local thickening (40%, n=10); local rupture with thickened adjacent skin (28%, n=7); focal bulge (20%, n=5); and no changes (12%, n=3). Cervical lymphadenopathy was seen in 14 out of 25 cases (56%). The lesions were contrast-enhanced in four patterns on CT images: homogeneous enhancement (37.1%, n=13), irregular cyst-like enhancement (37.1%, n=13), thick-walled ring enhancement (14.2%, n=5), and garland-like enhancement (11.4%, n=4). On MRI, the signal intensity of lesions was isointense on T1-weighted image, hyperintense on T2-weighted image, markedly hyperintense on diffusion-weighted imaging, and low on the apparent diffusion coefficient map. The surrounding parotid parenchymal edema was identified clearly on coronal MR images.ConclusionTB of the parotid nodes tend to simulate tumors clinically and radiologically. Their preferential sites are the superficial lobe. In young patients with positive purified protein derivative skin test and lesions accompanied by cervical lymphadenopathy, changes in the parotid fascia and parotid parenchymal edema adjacent to the lesions on CT and MRI may be helpful in the diagnosis and to facilitate differential diagnosis.

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Tuberculosis of parotid gland masquerading parotid neoplasm

Cited by 12 publications

References 11 publications

Tuberculosis of the parotid gland: histology surprise

Tuberculosis of the parotid gland: histology surprise

Tuberculosis of The Parotid Gland in Children - A Report of 4 Cases

Tuberculosis of the parotid lymph nodes: clinical and imaging features

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