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4,762 Possible Causes for Cell, Extragonadal, Germ, Malignant, Tumor, of

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  • Germ Cell Tumor

    A germ cell tumor occurs due to dysregulated growth and differentiation of germ cells.[] What are the Causes of Extragonadal Germ Cell Tumor? (Etiology) The cause of Extragonadal Germ Cell Tumors is not completely understood.[] Fertility preservation is an important issue because malignant ovarian germ cell tumor commonly affects young women.[] A germ-cell tumor ( GCT ) is a neoplasm derived from germ cells . Germ-cell tumors can be cancerous or benign .[] Abstract The clinical significance of testicular microlithiasis (TM) in patients with primary extragonadal germ cell tumor (EGCT) is not well understood.[] The histology of these tumors may be similar to that of other malignant mediastinal tumors, including malignant thymoma and high-grade non-Hodgkin's lymphoma.[]

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  • Malignant Histiocytosis

    The autopsy revealed widespread organ involvement with malignant histiocytosis and no evidence of residual germ cell tumor.[] Diagnose tumors with confidence with Diagnostic Histopathology of Tumors, 4th Edition . Dr.[] Anaplastic large cell lymphoma, the cells of which are morphologically similar to malignant histiocytes, is most easily mistaken for malignant histiocytosis.[] Abstract A new cell line DEL, established in vitro, was isolated from a pleural effusion of a boy who died of malignant histiocytosis.[] Treatment of DEL cells with 33 nM 12-O-tetradecanoylphorbol-13-acetate for 6-24 h resulted in cell surface attachment (up to 80%), decrease in dividing ability, enhancement[] Chemotherapies for germ cell tumor and hemophagocytic syndrome were performed without any improvement, and he died of diffuse alveolar damage.[]

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  • Insect Bite

    Some stinging insects are scavengers and may transmit germs when they sting. Contact the office if pus, new swelling or tenderness appear at the site of the sing.[] Abstract Pott's puffy tumor, a feature of osteomyelitis of the frontal bone, is a rare entity, especially in adults.[] In 2 patients, the eruption preceded the diagnosis of the malignant neoplasm.[] […] of mononuclear cells and eosinophils.[] One type of tick carries a germ called Borrelia burgdorferi which causes Lyme disease. See the separate leaflet called Lyme Disease for more details .[] […] exaggerated reactions to insect bites are nonspecific phenomena described primarily in association with chronic lymphocytic leukemia (CLL), but also with other hematological malignancies[]

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  • Brenner Tumor

    […] surface epithelium, which undergoes metaplasia to form the typical urothelial-like components, whereas some investigators assume that Brenner tumors arise from immature germ[] Malignant Brenner tumors are usually unilateral but bilateral tumors can also occur. Peritoneal effusion may develop rarely in about 10% of malignant Brenner tumors.[] Only four cases of extragonadal tumors have been reported in women, and three cases in men.[] The surface epithelial-stromal class of tumors accounts for the majority of all ovarian cancers, which represents the fifth most deadly family of malignant neoplasm found[] New Topics Covered in this Edition: Gene and Cell Therapies for Diabetes and Cardiovascular Diseases Clinical Trials Human Embryonic Stem Cells Tissue Engineering Combined[] The origin of mixed Brenner tumor and struma ovarii may be germ cell, as described in some literature, or the Brenner tumor may be of a metaplastic nature, although the Brenner[]

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  • Yolk Sac Tumor

    Germ cell tumors can be diagnosed in utero.[] Yolk sac tumor is a malignant germ cell tumor characterized by an extraembryonic yolk sac line of differentiation, and relative to other germ cell tumors, is characterized[] Called also endodermal sinus tumor . en·do·der·mal si·nus tu·mor a malignant neoplasm occurring in the gonads, in sacrococcygeal teratomas, and in the mediastinum; produces[] The case of the recurrence of a yolk sac tumor as a spindle cell sarcoma of the abdominal wall is presented.[] Abstract Extragonadal germ cell tumors (EGCTs) are rare and head and neck is a rarer primary site with most tumors being benign exhibiting teratoma as the leading histologic[] Histological evaluation revealed that the tumor consisted of a combination of immature teratoma, Yolk Sac Tumor, and embryonal carcinoma; this is a very rare combination in mixed germ[]

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  • Mixed Germ Cell Tumor

    Germ cell tumors, comprised of gonadal and extra-gonadal types, are relatively rare tumors arising from primordial germ cells.[] tumor or a de novo neoplasm.[] We believe this is the first such case of a meningioma arising in a teratoma within a gonadal or extragonadal site.[] Abstract Mixed germ cell tumors with non-germ cell malignant components rarely occur in the anterior mediastinum.[] cells, AFP, AAT, CD117 and Glyp3 were positive in yolk sac component, EMA and CK7 were positive in clear cell carcinoma, CD10 was positive in endometrial cells of endometriotic[] Extragonadal involvement accounts for nearly half of the cases.[]

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  • Testicular Germ Cell Tumor

    Abstract A 44-year-old male was diagnosed in August 1980 as having a retroperitoneal germ cell tumor (classic seminoma with anaplastic areas).[] Histologic examination showed a malignant germ cell tumor with a unique and hitherto unpublished combination of placental site trophoblastic tumor and teratoma.[] RESULTS: We identified 16 reports of OGCT occurring in conjunction with either ovarian, testicular or extragonadal GCT.[] This paper reports a case of a 31-year-old man with a malignant testicular germ cell tumor who presented with multiple episodes of pulmonary thromboembolism and died of sudden[] […] in NCCIT cells.[] Chondrosarcoma has rarely been reported as a component of the second non-germ cell malignancy.[]

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  • Islet Cell Tumor

    Recently, germ line mutations of the RET proto-oncogene (RET) were found to be related to tumorigenesis and disease phenotypes in type 2 MEN.[] The metastatic tumor is the same type of tumor as the primary tumor.[] Abstract Malignant mesenchymal neoplasms of the pancreas are rare and malignant islet cell tumors with sarcomatous dedifferentiation are rarer still.[] Islet cell tumors are a collective group of neoplasms that arise from the islet cells of the pancreas.[] The tumors are extremely vascular, are usually malignant (17 of 18), and become large, but they are compatible with a relatively long patient survival time.[] Abstract We present herein the case of a 73-year-old Japanese man in whom a minute malignant islet cell tumor, 7 mm in maximal diameter, was discovered.[]

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  • Spinal Cord Compression

    BACKGROUND: Germ cell tumors (GCTs) in children are rare neoplasms with diverse pathological findings according to the site and age of presentation.[] KEYWORDS: Brown tumor; End-stage renal failure; Hyperparathyroidism; Spinal cord compression[] Abstract Malignant spinal cord compression (MSCC) is an oncological emergency requiring rapid diagnosis and treatment to prevent irreversible spinal cord injury and disability[] We present a rare case of epidural involvement by Langerhans cell histiocytosis in a 71-year-old man to highlight the importance of considering Langerhans cell histiocytosis[] No patient diagnosed with lymphoma, myeloma, or germ cell tumours were included in the study.[] Although most are benign, malignant forms have been reported.[]

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  • Retroperitoneal Lymph Node Dissection

    We recommend that a vascular surgeon should be a part of testicular germ cell multidisciplinary team.[] This case highlights the need for careful consideration of a desmoid tumor when a rapidly growing spindle cell tumor is encountered in a post-treatment testis cancer patient[] […] potentially result from incomplete iliac node resection at the time of RPLND, altered lymphatic drainage from an incompletely resected spermatic cord, or a second primary extragonadal[] KEYWORDS: Germ cell tumors of testis; Retroperitoneal lymph node dissection (RPLND); Seminoma; Testicular malignancies[] Abstract A massive lymphatic leak developed following radical retroperitoneal lymph node dissection for recurrent extragonadal seminoma.[] All five patients had embryonal carcinoma in their primary germ-cell tumor.[]

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