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Diagnosis of metastatic carcinoid in mesenteric lymph node by fine needle aspiration cytology. 2008

Manjiri Ramchandra Naniwadekar, and S R Desai, and V D Dombale, and S R Kulkarni
Department of Pathology, Krishna Institute of Medical Sciences University, Karad, India. man_nan@rediffmail.com

Although carcinoid tumor is a relatively common neoplasm in surgical pathology, fine needle aspiration cytology (FNAC) as a method of primary diagnosis has only been reported a few times. We report the case of a 55-year-old male patient who presented with colicky pain in the abdomen and a vague mass in the right lumbar region. Ultrasonographic study showed an enlarged mesenteric lymph node. Ultrasonography-guided FNAC revealed cellular smears with neuroendocrine cellular arrangement and morphology. The cytomorphologic characteristics of carcinoid tumors are distinctive enough for diagnosis. A diagnosis of metastatic carcinoid was given. 5-hydroxyindolacetic acid in 24-hour urine turned out to be high. Histopathology and immunohistochemistry studies also confirmed the diagnosis. Thus, FNAC can be a useful and safe tool in the diagnosis of carcinoid tumors.

UI MeSH Term Description Entries
D008198 Lymph Nodes They are oval or bean shaped bodies (1 - 30 mm in diameter) located along the lymphatic system. Lymph Node,Node, Lymph,Nodes, Lymph
D008297 Male Males
D008643 Mesentery A layer of the peritoneum which attaches the abdominal viscera to the ABDOMINAL WALL and conveys their blood vessels and nerves. Mesenteries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D002276 Carcinoid Tumor A usually small, slow-growing neoplasm composed of islands of rounded, oxyphilic, or spindle-shaped cells of medium size, with moderately small vesicular nuclei, and covered by intact mucosa with a yellow cut surface. The tumor can occur anywhere in the gastrointestinal tract (and in the lungs and other sites); approximately 90% arise in the appendix. It is now established that these tumors are of neuroendocrine origin and derive from a primitive stem cell. (From Stedman, 25th ed & Holland et al., Cancer Medicine, 3d ed, p1182) Argentaffinoma,Carcinoid,Carcinoid, Goblet Cell,Argentaffinomas,Carcinoid Tumors,Carcinoids,Carcinoids, Goblet Cell,Goblet Cell Carcinoid,Goblet Cell Carcinoids,Tumor, Carcinoid,Tumors, Carcinoid
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006897 Hydroxyindoleacetic Acid 5-HIAA,5-Hydroxy-3-Indoleacetic Acid,5-Hydroxyindolamine Acetic Acid,5 Hydroxy 3 Indoleacetic Acid,5 Hydroxyindolamine Acetic Acid,Acetic Acid, 5-Hydroxyindolamine,Acid, 5-Hydroxy-3-Indoleacetic,Acid, 5-Hydroxyindolamine Acetic,Acid, Hydroxyindoleacetic
D014463 Ultrasonography The visualization of deep structures of the body by recording the reflections or echoes of ultrasonic pulses directed into the tissues. Use of ultrasound for imaging or diagnostic purposes employs frequencies ranging from 1.6 to 10 megahertz. Echography,Echotomography,Echotomography, Computer,Sonography, Medical,Tomography, Ultrasonic,Ultrasonic Diagnosis,Ultrasonic Imaging,Ultrasonographic Imaging,Computer Echotomography,Diagnosis, Ultrasonic,Diagnostic Ultrasound,Ultrasonic Tomography,Ultrasound Imaging,Diagnoses, Ultrasonic,Diagnostic Ultrasounds,Imaging, Ultrasonic,Imaging, Ultrasonographic,Imaging, Ultrasound,Imagings, Ultrasonographic,Imagings, Ultrasound,Medical Sonography,Ultrasonic Diagnoses,Ultrasonographic Imagings,Ultrasound, Diagnostic,Ultrasounds, Diagnostic
D015746 Abdominal Pain Sensation of discomfort, distress, or agony in the abdominal region. Colicky Pain,Abdominal Pains,Colicky Pains,Pain, Abdominal,Pain, Colicky,Pains, Abdominal,Pains, Colicky
D044963 Biopsy, Fine-Needle Using fine needles (finer than 22-gauge) to remove tissue or fluid specimens from the living body for examination in the pathology laboratory and for disease diagnosis. Aspiration Biopsy, Fine-Needle,Fine Needle Biopsy,Fine-Needle Aspiration,Aspiration Biopsies, Fine-Needle,Aspiration Biopsy, Fine Needle,Aspiration, Fine-Needle,Aspirations, Fine-Needle,Biopsies, Fine Needle,Biopsies, Fine-Needle,Biopsies, Fine-Needle Aspiration,Biopsy, Fine Needle,Biopsy, Fine-Needle Aspiration,Fine Needle Aspiration,Fine Needle Biopsies,Fine-Needle Aspiration Biopsies,Fine-Needle Aspiration Biopsy,Fine-Needle Aspirations,Fine-Needle Biopsies,Fine-Needle Biopsy,Needle Biopsies, Fine,Needle Biopsy, Fine

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