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[Scintigraphy in the diagnosis of salivary gland diseases].

An original method of sialoscintigraphy was used to investigate the structure and function of the unchanged salivary glands in 108 patients and in 192 patients with various diseases of the salivary glands (chronic interstitial sialadenitis, chronic parenchymatous sialadenitis, chronic sialadenitis, reactive-dystrophic diseases and tumors. The data obtained are of great importance for the diagnosis and differential diagnosis of salivary gland diseases as well as for the evaluation of effectiveness of therapeutic measures.

Chronic Disease↗

Diagnostic value of dynamic magnetic resonance imaging for salivary gland diseases: a preliminary study.

OBJECTIVES: To determine the diagnostic value of dynamic MR imaging for the differentiation between benign tumours, malignant tumours, and inflammatory lesions in the major salivary glands. METHODS: T1- and T2-weighted spin-echo and dynamic gadolinium-enhanced T1-weighted spin-echo imaging sequences were performed in 27 patients (28 salivary gland lesions). The enhancement curve patterns and tumour margins on dynamic MR imaging were analysed. RESULTS: All pleomorphic adenomas showed a continuous gradual or rapid increase in the enhancement pattern, whereas other benign tumours had a rapid or gradual enhancement-attenuation pattern. Malignant tumours generally showed a gradual enhancement-attenuation pattern. Inflammatory lesions showed a rapid or gradual enhancement-attenuation pattern. A well-defined margin was observed in all 13 (100%) benign tumours and three of six (50%) malignant tumours. CONCLUSIONS: Our study suggests that dynamic curve patterns and tumour margin appearance may help to differentiate between benign tumours, malignant tumours and inflammatory lesions.

Adenolymphoma↗

Salivary gland disease in infancy and childhood: non-malignant lesions.

The differential diagnosis for benign lesions of the salivary glands in infancy and childhood can be somewhat overwhelming, especially in light of their infrequent occurrence in a general otolaryngologic practice. The purpose of this review is to discuss these conditions under the headings of inflammatory conditions, immunologic disorders, granulomatous disease, trauma, cysts, systemic disorders and benign neoplasms. Basic techniques of diagnosis and treatment as they apply to children will be outlined.

Child↗

Cervicofacial mycobacterial infections presenting as major salivary gland disease.

Mycobacterium tuberculosis and atypical mycobacterium are well-known causes of cervical lymphadenopathy, most often presenting without symptoms of systemic infection. These organisms may also directly involve the parenchyma of the major salivary glands and their periglandular or intraglandular nodes. The diagnosis of mycobacterial infections of the major salivary glands, compared to cervical lymph nodes, is equally--if not more--difficult to make. The differential must include the same spectrum of inflammatory and neoplastic diseases as well as lesions unique to the salivary glands. Selected cases are presented and discussed to show that principles established for the treatment of cervical mycobacterial infections must also be applied to major salivary gland infections. In particular, cutaneous fistulas may result from incisional biopsy or incision and drainage of the involved gland. Partial parotidectomy or submaxillary gland excision may be required, followed by multidrug, antituberculous chemotherapy for one to two years. Culturing of the organisms is extremely difficult, and the diagnosis of either mycobacterium tuberculosis or atypical mycobacterial infection must be based on a combination of history and clinical examination, skin testing, histopathology, acid-fast stains, culture, and response to surgery and antituberculous chemotherapy.

Adult↗

Electromyography monitoring of patients with salivary gland diseases.

OBJECTIVE: To provide a description of surface electromyography (sEMG) of spontaneous saliva swallowing (SSS) and monitoring of swallow rate in patients with salivary gland diseases. STUDY DESIGN: Numbers of SSS obtained during 2 hours of sEMG monitoring were compared with sialometry data for healthy volunteers (n = 100), patients with Sjögren syndrome (n = 10), and patients after parotid gland (n = 15) and submandibular gland (n = 16) surgery. RESULTS: Normative: 1 SSS every 2 minutes and 15 seconds; Sjögren: 1 SSS every 13 minutes (P < 0.001); parotid gland surgery: 1 SSS every 3 minutes and 24 seconds (P = 0.26); submandibular gland surgery: 1 SSS every 5 minutes and 04 seconds (P < 0.05). Sjögren patients and patients after submandibular surgery had hyposalivation correlated with less SSS. CONCLUSION: The established normal rate of SSS makes this modality applicable for evaluating salivary flow for potentially identifying and ruling out abnormalities. Parotid gland surgery does not significantly affect salivary flow rate. Sialometry combined with sEMG monitoring give a clinician more reliable data to evaluate salivary gland disorders than sialometry alone.

Adult↗

Sialography in salivary gland disease.

Ninety-six consecutive patients underwent sialography over a 10 year period at North Tees District General Hospital; there were 68 parotid and 28 submandibular examinations. Patients were divided into two groups: group 1, patients with symptoms but no clinical signs (n = 27); group 2, patients with swelling of the salivary gland (n = 69). Results showed that sialography was of considerable value in group 1 patients demonstrating pathology in 33 per cent (9/27 patients). In patients with a suspected, but unusually situated, parotid tumour (n = 20) sialography was confirmatory in 10 patients but the technique failed in four, gave a false negative result in four and would seem to be of limited value. In the remaining patients in group 2 with diffuse glandular swelling (n = 49) the main contribution of sialography was in demonstrating sialectasia (9), duct strictures (4) and non-opaque parotid calculi (2), but even in this group of patients 35 per cent (17/49 patients) of the examinations were normal. When submandibular calculi were demonstrable on plain radiography sialography contributed no further relevant information.

Adolescent↗

[The value of endoscopy for the diagnosis and treatment of obstructive salivary gland diseases].

OBJECTIVE: To evaluate the value of sialoendoscopy in the diagnosis and treatment of chronic obstructive sialadenitis (COS). METHODS: 25 patients (34 sides) who complained of recurrent swelling in the salivary gland region were selected for study from Jan. 2003 to Jun. 2003 at the Department of salivary gland diseases, School of Stomatology, Wuhan University, including 19 parotid cases (27 sides) and 6 submandibular gland cases (7 sides); 16 females and 9 males. And their age range was 17 - 77 years, with an average of 43.72 years. Before sialoendoscopy, 22 parotid cases underwent sialography, and 3 submandibular gland sialoliths cases received an additional standard mandibular occlusal film examination. RESULTS: Conventional radiographs revealed that 3 cases had submandibular gland radiopaque stones, and 22 had COS. Dilatation of main duct of parotid and submandibular gland were also found in the radiographs. Sialoendoscopy showed: proliferative fibrous materials in the duct; stenosis or dilatation of duct; vasodilatation, erythema on the wall of the duct; mucoid plugs and pyogenic plugs; irregular lumen shape; radiopaque and radiolucent stones. CONCLUSIONS: Sialoendoscopy may be a safe, effective, and minimal invasive method in the diagnosis and treatment of COS.

Adolescent↗