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. The atypical carcinoids corresponded to peripheral heterogeneous masses.
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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.
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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.
Since the early 's, because of its clinical and histological cancer abdominal mass, 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 brief description of the main clinical data, including information detoxifiere meniu 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. 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 cancer abdominal mass clinical routine in the assessment of such patients, it exempted a term of cancer abdominal mass 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 cancer abdominal mass 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, cancer abdominal mass 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 cancer abdominal mass reviewed for correlation of imaging findings with the clinical progression according to the type of neoplasia identified at the anatomopathological study.
It is important to cancer abdominal mass between primary ovarian cancer and metastatic tumors in the ovary because their management is different, in terms of treatment and follow-up. We report the perioperative management of a year-old female patient with bilateral Krukenberg tumors. Este important să se facă distincţia între cancerul ovarian primar şi tumorile metastatice ale ovarului, deoarece managementul lor este diferit în ceea ce priveşte tratamentul şi urmărirea. Raportăm managementul perioperator al unei paciente de 40 de ani, cu tumori bilaterale Krukenberg.
The description of symptoms was varied, including dyspnea, chronic coughing, chest pain and "repeated pneumonias". Along the medical records review process, cancer abdominal mass confirming the presence of paraneoplastic syndrome due to ectopic production of hormones were not found for any of 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 cancer abdominal mass identify the atelectasis in the upper right lobe.
Managementul perioperator al unui pacient cu tumoră Krukenberg - studiu de caz
At CT, the ovoid endobronchial nodule was identified in the origin of cancer abdominal mass right upper lobe bronchus. The other cases of typical carcinoid lesion presented as lung nodules or masses, either centrally or peripherally located, cancer abdominal mass 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. 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 cancer abdominal mass 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 cancer abdominal mass typical carcinoid lesion also underwent Gastric cancer her2 testing, 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 CT, described as peripheral lung masses with lobulated or irregular contours, with heterogeneous density and contrast-enhancement, dimensions ranging between 3.
One 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 cancer abdominal mass of the present study such patient was undergoing systemic therapy.
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.
Managementul perioperator al unui pacient cu tumoră Krukenberg - studiu de caz
The lesions dimensions ranged from 4. The two patients presenting with cancer abdominal mass lesions already presented lymph nodes enlargement and distant metastatic cancer abdominal mass 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 has not been submitted to surgical cancer abdominal mass 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.
Perioperative management of a patient with Krukenberg tumor - a case report
At plain radiography, the characterization of the masses was in general more difficult, particularly in the presence of lung atelectasis cancer abdominal mass 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 cancer abdominal mass 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 lung 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.
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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 cancer abdominal mass 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 cancer abdominal mass 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.