Metastatic cancer glucose. Traducere "prezentau valori crescute ale" în engleză

MATERIALS AND METHODS: Imaging studies of 22 patients 12 men, mean age 60 years with histopathologically confirmed diagnosis, evaluated in the authors's institution during the last five years were retrospectively reviewed by two radiologists, with findings being consensually described focusing on changes observed at computed tomography. Only one typical carcinoid presented the characteristic appearance of central endobronchial nodule with distal pulmonary atelectasis, while the others were pulmonary nodules or masses.

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The atypical carcinoids corresponded to peripheral heterogeneous metastatic cancer glucose. One out of the three LCNCs was a peripheral homogeneous mass, while the others were ill-defined and heterogeneous. The 11 SCLCs corresponded to central, infiltrating and heterogeneous masses with secondary pleuropulmonary changes.

Keywords: Computed tomography; Lung neoplasms; Neuroendocrine tumors. Primary neuroendocrine tumors of the lung NTLs originate either from Kulchitzky cells, neuroepithelial bodies or from pluripotent stem cells which are present in the bronchial mucosa, with similar pathological features, and being capable of producing and secreting peptide hormones and neuroamines 2.

Propune un exemplu Alte rezultate Mai puţin frecvente: valori crescute ale concentraţiei plasmatice de lactat dehidrogenază, valori scăzute ale glicemiei, valori crescute ale creatininemiei, valori crescute ale uremiei. Uncommon: blood lactate dehydrogenase increasedblood glucose decreased, blood creatinine increasedblood urea increased. Investigaţii diagnostice În unele cazuri de miopatie cu valori crescute ale CPK şi simptome musculare, pacienţii au prezentat, de asemenea, valori crescute ale transaminazelor. Investigations In some cases of myopathy involving raised CPK and muscle symptoms, the metastatic cancer glucose also presented with elevated transaminases.

Since the early 's, because of its clinical and histological characteristics, SCLC is classified as a neuroendocrine neoplasia of the lung. In the present study, the authors describe the main imaging findings in a series of histopathologically confirmed cases of NTL, with emphasis on computed tomography CT findings.

Also, the authors make a metastatic cancer glucose description of the main clinical data, including information on the evolution of the cases, correlating them with radiological and anatomopathological data. Only histopathologically confirmed cases of primary neuroendocrine tumors of the lung were included in the present study.

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A total of 22 patients 12 men, mean age of 60 years, ranging from 32 to 78 years were studied. Considering the retrospective nature of the study, with exams that are part of the clinical routine in the assessment of such patients, it exempted a term of free and informed consent in addition to the one obtained previously to the performance of the exams.

Clinical data was obtained after review of the patients' records and imaging studies retrieved from the electronic file system of the authors' institution. Images were reviewed by two radiologists, and the findings were described in consensus. The lesions were evaluated with respect to morphological characteristics, location, dimensions, presence of calcifications, associated changes in the pulmonary parenchyma, lymph node enlargement and presence of distant metastases.

All the imaging studies stored in the electronic file system were reviewed, including plain radiographs and magnetic resonance imaging MRI studies, but the reviewers have particularly focused on the description of CT findings, which is currently the most accurate radiological method and most commonly utilized in the evaluation of lung tumors. In spite of not being related to the main objective of the present study, the post-treatment follow-up exams, whenever available, were also reviewed for correlation of imaging metastatic cancer glucose with the clinical progression according to the type of neoplasia identified at the anatomopatho­logical study.

The description of symptoms was varied, including dyspnea, chronic coughing, chest pain and "repeated pneumonias". Along the medical records review process, data confirming the presence of paraneoplastic syndrome due to metastatic cancer glucose production of hormones were not found for any metastatic cancer glucose the patients. As regards histological type, the lesions of the 22 patients included: five typical carcinoid lesions, three atypical carcinoid lesions, three LCNCs and 11 SCLCs Table 1.

Plain radiography could identify metastatic cancer glucose atelectasis in the upper right lobe. At CT, the ovoid endobronchial nodule was identified in the origin of the right upper lobe bronchus. The other cases of typical carcinoid lesion presented as lung nodules or masses, either centrally or peripherally located, with smooth or lobulated margins, homogeneous soft tissue density, and dimensions ranging from 2.

No patient presented lymph node enlargement or metastatic lesions at the initial presentation of the disease.

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Distal, secondary changes were described in all cases, mainly represented by areas of inflammatory consolidation or atelectasis. All five patients were submitted to surgical resection either segmentectomy or lobectomy and only one patient presented recurrence of the disease in the clinical follow-up, with mediastinal lymph node enlargement identified six years after diagnosis Figure 3.

One patient with a typical carcinoid lesion also underwent MRI, which demonstrated the presence of a well defined nodule in the left lower lobe with intermediate signal intensity on T1-weighted and hyperintense signal on T2-weighed sequences, also with restriction in diffusion weighted imaging and prominent contrast-enhancement more noticeable in delayed phases and with homogeneous appearance Figure 2.

The three cases of atypical carcinoid tumors were identified both at plain radiography and Metastatic cancer glucose, described as peripheral lung masses with lobulated or irregular contours, with heterogeneous density and contrast-enhancement, dimensions metastatic cancer glucose between 3.

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Metastatic cancer glucose lesion presented nodular calcifications identified at plain radiography, but best characterized at CT. One patient already presented lymph nodes enlargement and lesions compatible with metastases bone and liver at the initial assessment and evolved to death. Another patient presented suspicious metastic liver lesions at the moment of the diagnosis, progressing with enlargement of the lesions progressive disease and at the time of the present study such patient was undergoing systemic therapy.

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In one patient the lesion was resected and no recurrence has been identified at most-recent follow-up. Of the three LCNC patients, one presented a peripheral well-defined mass with homogeneous density, while the other two patients presented heterogeneous, peripheral, ill-defined masses with irregular contours in association with important pleuropulmonary changes Figure 5. The lesions dimensions ranged from 4. The two patients presenting with heterogeneous lesions already presented lymph nodes metastatic cancer glucose and distant metastatic lesions at their initial assessment, and underwent non-surgical therapy, but evolved with progressive disease at follow-up and, later, death.

The other patient presented progressive, metastatic disease and currently is still undergoing local and systemic treatment and ovarian cancer esmo guidelines not been submitted to surgical resection of the lung lesion.

All of the 11 cases of SCLC presented as lesions of similar radiological appearance, characterized as central masses associated with coalescent lymph node enlargement with infiltrating and heterogeneous aspect, invading vascular structures as well as the adjacent tracheobronchial tree Figure 6. Other associated thoracic changes were described in all cases, such as secondary lung lesions, pneumonia, atelectasis, pleural effusion and pleural thickening.

At plain radiography, metastatic cancer glucose characterization of the masses was metastatic cancer glucose general more difficult, particularly in the presence of lung atelectasis and large pleural effusion.

In general, the lesions that could be measured were larger than 5. Calcifications were not identified in any lesion.

In the present study, the authors retrospectively reviewed imaging findings in patients with histopathologically confirmed NTL diagnosed in their institution, with emphasis on CT findings. The authors describe five cases of typical carcinoid tumors and three cases of atypical carcinoid tumors. Atypical carcinoid tumors are assciated with smoking, most commonly affecting male patients and at older ages 59 years, on averagewhile typical carcinoid tumors lack established association with smoking, affecting younger patients of both genders.

Typical carcinoid tumors represent the most common metastatic cancer glucose neoplasia in the childhood and most frequently are diagnosed at less advanced clinical stages, rarely with metastases and progressing with longer survival as compared with atypical carcinoid tumors 8.

In the present study, the authors found only one case of central endobronchial nodule characteristic of typical carcinoid tumor, but atypical carcinoid tumors were found as larger and more heterogeneous peripheral masses, more frequently metastatic cancer glucose metastases at diagnosis or follow-up, likewise described in the literature.

Among the typical carcinoid tumors, only one presented late recurrence of the disease, in the form of mediastinal lymph node enlargement identified at CT follow-up, years after the primary lesion resection. According to the medical literature, imaging findings of both typical and atypical carcinoid tumors are similarly described, being mainly found as well-defined nodules or masses, sometimes lobulated, and when elongated, with the longer axis parallel to the bronchi.

Carcinoid tumors tend to be well vascularized, with prominent contrast enhancement, which also aids in the differentiation between lesions and the commonly associated metastatic cancer glucose secondary changes pneumonia, atectasis and bronchi with mucoid impaction 9. Despite their similar characteristics, one describes that the presence of a central, metastatic cancer glucose nodule causing narrowing, deformity or obstruction of a bronchus, especially if containing calcifications, metastatic cancer glucose suggestive of a typical carcinoid tumor.

On the other hand, atypical carcinoid tumors tend to be larger, more peripheral distal to the segmental bronchus and more heterogeneous, besides presenting a higher incidence of metastatic lesions at the diagnostic imaging In the present study, the authors described three cases of LCNC, all of them presenting as peripheral heterogeneous masses associated with metatastic disease, and none of the lesions with calcifications.

Traducere "prezentau valori crescute ale" în engleză

LCNC was the fourth and last tumor subtype to be recognized as a neuroendocrine tumor of the lung, with characteristics that make it different from the typical and atypical carcinoid tumors as well as from the SCLC 3. It is predominantly found in men 2. Pleural thickening or effusion are also commonly described Interestingly, in the present review, one patient was a year-old woman.

In the present study, the authors described 11 cases of patients with SCLC. Lesions were similar to metastatic cancer glucose cancer glucose described as most characteristic in the medical literature, with no isolated findings of nodule or peripheral mass. The literature reports that, at the moment of diagnosis, the patient usually presents advanced disease with metastasis, mainly to bones, liver, adrenal glands or brain Findings of atectasis, other lung lesions and pleural effusion are common.

In the present study, lesions with calcifications were not found. More rarely, SCLC presents as a metastatic cancer glucose lung lesion without lymph node enlargement, and in such cases it may be confused with other types of bronchogenic carcinomas and with the other NTLs 1, Probably, the present study's sample of SCLC was underestimated, considering its prevalence and the characteristic of specialized reference hospital of the authors' institution.

The authors believe that such limitation metastatic cancer glucose the present study was related to the fact that only cases with histopathological and immunohistochemical confirmation and radiological exams performed in their own institution were included. In this series of cases, only one patient vaccin cancer col uterin pareri lung neoplasia underwent MRI, with a typical carcinoid lesion presenting as a lung nodule.

The role of MRI in the evaluation of human papillomavirus family neoplasms is increasing, particularly in the staging of lesions and in the clinical follow-up of the treatment.

However, little has been reported in the literature 15 about MRI in metastatic cancer glucose evaluation of NTL, and its role, particularly regarding diagnostic accuracy in the different histological types of NTL, still requires further investigation.

Bronchogenic carcinoma: radiologic pathologic correlation. Distinctive clinical and therapeutic aspects of the syndrome associated with bronchial carcinoid tumors. Am J Med. Neuroendocrine tumors of the lung with proposed criteria for large-cell neuroendocrine carcinoma. An ultrastructural, immunohistochemical, and flow cytometric study of 35 cases.

Am J Surg Pathol.

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Traducere "tratamentul pacienţilor" în engleză

Large cell neuroendocrine carcinoma of the lung: a year clinicopathologic retrospective study. CT findings of surgically resected large cell neuroendocrine carcinoma of the lung in 38 patients.

Lung Cancer. Small-cell bronchogenic carcinoma: CT evaluation. Diagnosis of bronchial carcinoid tumor by ultrafast contrast-enhanced MR imaging.