Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0027627 (metastases)
103,950 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Esthesioneuroblastoma is a rare malignancy arising from the olfactory epithelium. We present a case history of a 75-year-old man who presented with a Kadish stage C esthesioneuroblastoma and underwent craniofacial surgery and adjuvant radiotherapy. Two years later he was found to have diffuse subdural deposits with distant bone and nodal metastases, treated with further radiotherapy. The patient's condition subsequently deteriorated and he died. Given this unusual pattern of failure, we review the recent published studies regarding the natural history, treatment and outcome for this tumour.
...
PMID:Esthesioneuroblastoma: a case report of diffuse subdural recurrence and review of recently published studies. 1837 33

Esthesioneuroblastoma (ENB) is a malignant neoplasm of the olfactory epithelium. Metastasis of ENBs to retropharyngeal lymph nodes is an important finding on imaging examinations that alters staging and treatment. A total of 17 cases of ENB from 3 institutions were evaluated. The CT and MR imaging findings from the cases of 4 patients with ENB with retropharyngeal metastatic disease are reviewed. The vector of spread, staging, and treatment implications are discussed.
...
PMID:Retropharyngeal lymph node metastasis from esthesioneuroblastoma: a review of the therapeutic and prognostic implications. 1849 97

Olfactory neuroblastoma is an uncommon neuroectodermal tumor of the sinonasal tract. It represents 2% to 3% of sinonasal neoplasms. Most olfactory neuroblastoma behave locally aggressive with 30% recurrence rates. A subset metastasizes to lymph nodes and/or distant sites. Grading of olfactory neuroblastoma involves a combination of factors with low-grade tumors having better survival than high-grade tumors. The grade does not always predict prognosis, however, as metastases can be seen in all grades of olfactory neuroblastoma. Trk-A, Trk-B, and p75NRT are neurotrophin receptors associated with numerous solid malignancies, particularly pediatric neuroblastoma. GRP78 is an endoplasmic reticulum protein, associated with differentiation of neuroblastic cells. Trk-A, p75NRT, and GRP78 overexpression are favorable prognostic factors in pediatric neuroblastoma, whereas Trk-B is associated with a poorer prognosis in these tumors. Olfactory neuroblastoma is clinically distinct from pediatric neuroblastoma but shares some histological features. Trk-A and p75NRT have been demonstrated in olfactory neuroblastoma previously. Trk-B and GRP78 have not been investigated in olfactory neuroblastoma. None of these markers have been correlated with grade or outcome in olfactory neuroblastoma. To investigate the role of Trk-A, Trk-B, p75NRT, and GRP78, a series of 20 olfactory neuroblastomas was stained with these antibodies. Trk-A and Trk-B stained most cases of olfactory neuroblastoma (90% and 85%). GRP78 stained most cases (90%), although weakly. P75NRT demonstrated focal membranous staining in a sustentacular pattern (60%). None of these markers correlated with Hyams grade. None of these markers definitively correlated with patient outcome. Neurotrophin receptors do not appear to have a prognostic role; however, Trk's may play an oncogenic role in olfactory neuroblastoma.
...
PMID:Expression patterns of Trk-A, Trk-B, GRP78, and p75NRT in olfactory neuroblastoma. 1938 45

The esthesioneuroblastoma is a rare neuroendocrine tumor that derives from the olfactory cells. In the last 20 years, around 1,000 cases have been described, with an overall survival rate of 60-70% at 5 years. The most common symptoms are nasal bleeding, nasal clogging and, in locally advanced cases, signs/symptoms of intracranic hypertension such as papilla edema, cefalea, and vomiting. The standard treatments are surgery and radiotherapy. Chemotherapy can be used in an adjuvant/neoadjuvant setting and in the metastatic phase, even if its role is still not established with certainty. Here, the case is reported of a young man (38 years old) with a locally advanced esthesioneuroblastoma. Two months before coming to our clinic, he had been treated elsewhere with debulking surgery through bilateral frontal craniotomy. After surgery, MRI showed residual disease in the nasal cavities and in the medial wall of the orbits responsible for blindness and bilateral exophthalmos within a month: a very short time. Octreoscan and whole body CT scan confirmed a locally advanced disease, in the absence of metastases. Chemotherapy was begun with cisplatin and etoposide alternated with doxorubicin, ifosfamide and vincristine with granulocyte colony-stimulating factor (G-CSF) support after every cycle. Soon after the first cycle, an important reduction of pain and decrease of the exophthalmos and vertigos was observed. No improvement in blindness was seen. The patient is still stable after 24 months of follow up.
...
PMID:Advanced adult esthesioneuroblastoma successfully treated with cisplatin and etoposide alternated with doxorubicin, ifosfamide and vincristine. 1992 14

Primary sinonasal tumors with neuroendocrine differentiation (SCND) are uncommon tumors with considerable overlap of histological features. Based on their neuroendocrine differentiation they can be sub categorized into sinonasal undifferentiated carcinoma (SNUC), sinonasal neuroendocrine carcinoma (SNEC), esthesioneuroblastoma (ENB) and small cell carcinoma (SmCC). The natural history and biological behavior varies in this group of tumors. Hence the histo-morphological diagnosis coupled with grading/staging is important for the prognostication of these tumors. Aim : To study the clinicopathological characteristics of sinonasal neuroendocrine malignancies at our institute. Material and Methods : We searched our institute's pathology database for the period from 2002 to 2007, for the four subcategories of sinonasal tumors with neuroendocrine differentiation. Morphological and immunohistochemical features were studied and, grading, staging was done in accordance with standard criteria. The clinical treatment and follow- up data were retrieved from the case files in available cases. Results : A total of 37 cases were retrieved from our database which include 14 cases of SNUC, 14 cases of ENB and nine cases of SNEC. The cases of SNUC were immunopositive for cytokeratin, epithelial membrane antigen and weakly for neuron-specific enolase. SNEC showed strong reactivity with epithelial and neuroendocrine markers whereas ENB demonstrated immunoreactivity to synaptophysisn and chromogranin strongly, with weak to negative expression of epithelial markers. All cases of SNUC and SNEC were of high grade and stage whereas 50% of ENB cases were of grade II but high stage tumors. Most of the SNUC and SNEC patients had been treated with multimodality treatment regimens including upfront chemotherapy followed by surgery and loco- regional radiation. In contrast, ENB patients had undergone surgical extirpation followed by radiation therapy in majority of cases. With limited follow-up data, it was observed that four out of five SNUC patients and three out of four SNEC patients developed either loco-regional (three of SNUC and two of SNEC) or distant metastasis (one patient each of SNUC and SNEC). ENB patients also had loco-regional recurrences (five out of seven patients) with a more protracted course but no distant metastases were observed during the follow up in available cases. Conclusion : Sino nasal tumors with neuroendocrine differentiation are a heterogenous group of tumors with overlapping histo-morphological features. They can be distinguished based on immunohistochemical characteristics. Pathological sub categorization is imperative for management and prognostication of these aggressive tumors.
...
PMID:Sinonasal malignancies with neuroendocrine differentiation: case series and review of literature. 2009 Feb 18

Esthesioneuroblastoma is a rare tumour, for which a multimodal approach, including a combination of surgery and radiation, appears to provide the best disease-free and overall survival. Well-known for its tendency for local recurrence and distant spreading by both lymphatic and haematogenous routes, the most common sites of metastases are lungs and bones, followed by liver, spleen, scalp, breast, adrenals and ovary. One single case of metastasis to the trachea has been reported in the literature. The case is reported here of a patient who developed metastatic esthesioneuroblastoma to the trachea 18 months after primary surgery and radiation therapy. The patient was treated by two subsequent N-YAG laser endoscopic resections and chemotherapy.
...
PMID:Esthesioneuroblastoma metastatic to the trachea. 2014 Jan 64

Esthesioneuroblastoma is an uncommon tumor that presents in the sinonasal cavity and anterior skull base. Cervical metastases are not frequently found on initial presentation but eventually occur in 20-25% of these patients. This presents the treating physician with the difficult decision as to how and when to treat the neck in this disease. The aims of this study were to provide a comprehensive review of the incidence of N+ disease at presentation, make recommendations about the optimal treatment strategy of patients with N+ disease, explain the role of elective neck treatment in patients with N0 disease, and comment on treatment of patients with late cervical metastases that require salvage therapy, using the literature review of the incidence and treatment of neck disease in patients with esthesioneuroblastoma. This review revealed an approximately 5-8% incidence of cervical nodal metastasis at the time of presentation. Combined modality therapy with surgery and radiotherapy is recommended to treat the N+ neck at the time of diagnosis and later. Chemotherapy may have a role combined with radiation treatment, but there are little data to support this. There is limited evidence to substantiate the use of elective neck dissection or elective radiotherapy in the clinically and radiologically N0 neck. Patients who have late cervical metastases have a clear survival advantage (59 vs. 14%) when treated with combined surgery and radiotherapy relative to single modality methods alone. The results indicate that the management of the neck in esthesioneuroblastoma continues to be a significant challenge in the treatment algorithm of these complex patients.
...
PMID:When, how and why to treat the neck in patients with esthesioneuroblastoma: a review. 2070 43

Esthesioneuroblastoma is an aggressive neuroectodermal tumor that originates from the olfactory mucosa and often recurs locally. Distant metastasis of esthesioneuroblastoma has been described, but there are few reports of drop metastasis to the spinal cord. Here, we report a case of multiple drop metastases to the cervical, thoracic, and lumbar regions of the spinal cord that occurred 18 years after resection and radiotherapy of the original anterior cranial fossa lesion. There was no evidence of local recurrence. The symptomatic lesion was treated with resection and adjuvant chemotherapy. The options available for treatment of this disease are summarized with a review of the few reported cases of spinal metastasis of esthesioneuroblastoma.
...
PMID:Late occurrence of drop metastasis to the spine in a case of esthesioneuroblastoma. 2180 Sep 58

Esthesioneuroblastoma is a rare malignancy of olfactory neuroepithelium arising from sinonasal region. It has biologically an aggressive behavior. The tumor is characterised by common local recurrence, atypic distant metastasis and poor long-term prognosis. Cervical metastasis accounts for 20-30% of the patients. Late metastases are seen particularly six months or later following primary treatment. In this article, we present a 43-year-old female case with Kadish B stage esthesioneuroblastoma who underwent extracranial tumor resection and postoperative radiotherapy. Eleven years later (at 132 months) right neck cervical metastasis was occurred and we applied right functional neck dissection and adjuvant radiotherapy to treat. We also review the treatment of late neck metastasis in the light of the current literature data.
...
PMID:[Late neck metastasis in esthesioneuroblastoma: a case report]. 2277 Feb 59

Esthesioneuroblastoma is an uncommon malignancy originating from olfactive epithelium. Men are more frequently affected than women. Nasal symptoms are the most common revealing signs. Immunohistochemistry helps diagnosis. There is no randomized trial evaluating treatment due to the low incidence of this tumor. Radiotherapy and surgery are the standard of care. Radiotherapy is benefic even in early stage disease. Chemotherapy is indicated in case of locally advanced or metastatic disease.
...
PMID:[Esthesioneuroblastoma]. 2302 63


<< Previous 1 2 3 4 5 6 7 Next >>