A case of rectal mucosa-associated lymphoid tissue lymphoma diagnosed by endoscopic unroofing technique. 2012

Hyeonsu Park, and Jun-Won Chung, and Ae Jin Kim, and Soo Yong Park, and Min Young Rim, and Young Rak Jang, and Jae Hoon Lee, and Sanghui Park
Division of Gastroenterology, Department of Internal Medicine, Gachon University Gil Medical Center, 1198, Guwol-dong, Namdong-gu, Incheon 405-760, Korea.

Mucosa-associated lymphoid tissue (MALT) lymphoma is a typical primary gastrointestinal lymphoma, particularly in the stomach. Although primary rectal lymphoma is rare, it may present as a subepithelial tumor. Several techniques have been proposed for a tissue diagnosis in subepithelial tumor, including endoscopic ultrasonography (EUS)-guided fine needle aspiration (EUS-FNA), EUS-guided trucut biopsy (EUS-TCB), and tacked biopsy. However the diagnostic efficacy of these techniques appears to be limited. The unroofing technique involves removal of the overlying mucosa, thereby exposing the subepithelial lesion. It was originally reported as a method for endoscopic treatment of colorectal lymphangioma. In this case, a subepithelial tumor of the rectum was diagnosed using the endoscopic unroofing technique. This is a useful modality for the diagnosis of subepithelial tumor, because it provides histologic results in a safe and rapid manner.

UI MeSH Term Description Entries
D007150 Immunohistochemistry Histochemical localization of immunoreactive substances using labeled antibodies as reagents. Immunocytochemistry,Immunogold Techniques,Immunogold-Silver Techniques,Immunohistocytochemistry,Immunolabeling Techniques,Immunogold Technics,Immunogold-Silver Technics,Immunolabeling Technics,Immunogold Silver Technics,Immunogold Silver Techniques,Immunogold Technic,Immunogold Technique,Immunogold-Silver Technic,Immunogold-Silver Technique,Immunolabeling Technic,Immunolabeling Technique,Technic, Immunogold,Technic, Immunogold-Silver,Technic, Immunolabeling,Technics, Immunogold,Technics, Immunogold-Silver,Technics, Immunolabeling,Technique, Immunogold,Technique, Immunogold-Silver,Technique, Immunolabeling,Techniques, Immunogold,Techniques, Immunogold-Silver,Techniques, Immunolabeling
D007413 Intestinal Mucosa Lining of the INTESTINES, consisting of an inner EPITHELIUM, a middle LAMINA PROPRIA, and an outer MUSCULARIS MUCOSAE. In the SMALL INTESTINE, the mucosa is characterized by a series of folds and abundance of absorptive cells (ENTEROCYTES) with MICROVILLI. Intestinal Epithelium,Intestinal Glands,Epithelium, Intestinal,Gland, Intestinal,Glands, Intestinal,Intestinal Gland,Mucosa, Intestinal
D008297 Male Males
D012004 Rectal Neoplasms Tumors or cancer of the RECTUM. Cancer of Rectum,Rectal Cancer,Rectal Tumors,Cancer of the Rectum,Neoplasms, Rectal,Rectum Cancer,Rectum Neoplasms,Cancer, Rectal,Cancer, Rectum,Neoplasm, Rectal,Neoplasm, Rectum,Rectal Cancers,Rectal Neoplasm,Rectal Tumor,Rectum Cancers,Rectum Neoplasm,Tumor, Rectal
D003113 Colonoscopy Endoscopic examination, therapy or surgery of the luminal surface of the colon. Colonoscopic Surgical Procedures,Surgical Procedures, Colonoscopic,Colonoscopic Surgery,Surgery, Colonoscopic,Colonoscopic Surgeries,Colonoscopic Surgical Procedure,Colonoscopies,Procedure, Colonoscopic Surgical,Procedures, Colonoscopic Surgical,Surgeries, Colonoscopic,Surgical Procedure, Colonoscopic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
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
D015898 Tomography Scanners, X-Ray Computed X-ray image-detecting devices that make a focused image of body structures lying in a predetermined plane from which more complex images are computed. CAT Scanners, X-Ray,CT Scanner, X-Ray,Computed Tomography Scanners, X-Ray,Tomography, Computed, Scanners,Tomography, X-Ray Computed, Scanners,CAT Scanner, X-Ray,Computed Tomography Scanner, X-Ray,Tomography, X-Ray Computed, Scanner,X-Ray Computed Tomography Scanner,X-Ray Computed Tomography Scanners,CAT Scanner, X Ray,CAT Scanners, X Ray,CT Scanner, X Ray,CT Scanners, X-Ray,Computed Tomography Scanner, X Ray,Computed Tomography Scanners, X Ray,Scanner, X-Ray CAT,Scanner, X-Ray CT,Scanners, X-Ray CAT,Scanners, X-Ray CT,Tomography Scanners, X Ray Computed,X Ray Computed Tomography Scanner,X Ray Computed Tomography Scanners,X-Ray CAT Scanner,X-Ray CAT Scanners,X-Ray CT Scanner,X-Ray CT Scanners
D018442 Lymphoma, B-Cell, Marginal Zone Extranodal lymphoma of lymphoid tissue associated with mucosa that is in contact with exogenous antigens. Many of the sites of these lymphomas, such as the stomach, salivary gland, and thyroid, are normally devoid of lymphoid tissue. They acquire mucosa-associated lymphoid tissue (MALT) type as a result of an immunologically mediated disorder. Lymphoma, Mucosa-Associated Lymphoid Tissue,MALT Lymphoma,Marginal Zone B-Cell Lymphoma,Lymphoma of Mucosa-Associated Lymphoid Tissue,Mucosa-Associated Lymphoid Tissue Lymphoma,Lymphoma of Mucosa Associated Lymphoid Tissue,Lymphoma, MALT,Lymphoma, Mucosa Associated Lymphoid Tissue,Lymphomas, MALT,MALT Lymphomas,Marginal Zone B Cell Lymphoma,Mucosa Associated Lymphoid Tissue Lymphoma

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