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Multiple sclerosis, human herpesvirus 4 and thyroid collision tumor: A case report.

ABSTRACT: The role of interferon ?-1b (IFN?-1b), used for multiple sclerosis (MS) therapy, in cancer occurrence is uncertain. There is evidence supporting the role of human herpesvirus 4 [Epstein-Barr virus (EBV)] in thyroid cancer and MS. Simultaneous occurrence of papillary and medullary carcinomas is rare, and its association with MS in a young woman raises questions. A 46-year-old female patient was diagnosed with relapsing-remitting multiple sclerosis in 2008. In 2018, cervical MRI detected a thyroid nodule with right cervical adenopathy. Her thyroid function was normal, but increased calcitonin levels were found (70.53 pg/ml; normal value: <9.82 pg/ml). EBV serology tested positive. Paraclinical studies ruled out multiple endocrine neoplasia syndrome. Whole thyroid resection with whole cervical lymph node dissection was performed. To our knowledge, this is the first case that describes an association between MS and thyroid collision tumors. Histological examination ascertained both papillary and medullary thyroid cancer. After surgery, the calcitonin level normalized, and the patient received a therapeutic dose of iodine-131. IFN?-1b therapy was discontinued. The coexistence of thyroid cancers in MS patients could be explained by immune-mediated inflammation. Although EBV is not the only agent responsible for the development of MS or thyroid cancers, it could be considered a contributory factor in our case. Further research on EBV involvement in the occurrence of simultaneous immune pathologies in various organs is needed to confirm these data.

SUBMITTER: Sirbu AM

PROVIDER: S-EPMC7465335 | biostudies-literature | 2020 Oct

REPOSITORIES: biostudies-literature

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Multiple sclerosis, human herpesvirus 4 and thyroid collision tumor: A case report.

Sirbu Anca Maria AM Sirbu Carmen Adella CA Eftimie Lucian L Soare Angela Mirela AM Ghinescu Minerva Claudia MC Ionita-Radu Florentina F

Experimental and therapeutic medicine 20200707 4

The role of interferon β-1b (IFNβ-1b), used for multiple sclerosis (MS) therapy, in cancer occurrence is uncertain. There is evidence supporting the role of human herpesvirus 4 [Epstein-Barr virus (EBV)] in thyroid cancer and MS. Simultaneous occurrence of papillary and medullary carcinomas is rare, and its association with MS in a young woman raises questions. A 46-year-old female patient was diagnosed with relapsing-remitting multiple sclerosis in 2008. In 2018, cervical MRI detected a thyroid ...[more]

PMID: 32905114

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Project description:BACKGROUND:Collision tumors are rare cases with two different tumor entities growing synchronously. While adenocarcinoma of the pancreas is the most common pancreatic tumor with an incidence of 10 per 100.000, retroperitoneal liposarcoma remains very rare. This is the first report of a collision tumor between these two tumor entities. CASE PRESENTATION:Demographic details: The tumor was diagnosed in a 64 male Caucasian patient. Besides atrial fibrillation, arterial hypertension and a hypothyroidism there is no relevant medical history especially no history of cancer. Clinical details: During a routine check-up an unclassified tumor of the pancreatic tail was diagnosed. The lab showed no pathologies. Tumor markers were negative for carbohydrate antigen 19-9 and 72-4 (CA 19-9, CA 72-4) and carcinoembryonic antigen (CEA). Alpha-fetoprotein (AFP) and neuron specific enolase (NSE) were both elevated (AFP 97kU/l, (<?5,8kU/l) and NSE 30,0??g/l (16,4??g/l)). A computed tomography-guided core needle biopsy was performed which revealed a low-grade liposarcoma (G1). A CT scan showed no metastases. A surgical resection was recommended by the interdisciplinary tumor board. INTERVENTIONS:A systematic left sided retroperitoneal compartment resection including en-bloc-left sided pancreatectomy, splenectomy, nephrectomy, hemicolectomy, adrenalectomy, partial gastrectomy and partial resection of the diaphragm was performed. Pathology revealed a collision tumor consisting of pancreatic adenocarcinoma that was classified pT3, pN2 (11/33 ece+) L1?V0 Pn0, R0; G2 [UICC Stage III] and a liposarcoma pT2, pN0 (0/33) L0?V0 Pn0, G1 [UICC Stage Ib]. The postoperative tumor board recommended an adjuvant chemotherapy with gemcitabine and capecitabine for the locally advanced pancreatic adenocarcinoma. OUTCOME:At the latest follow-up (1?year after surgery) the patient was in good clinical condition and without evidence of tumor recurrence. CONCLUSION:Collision tumors are rare and difficult to diagnose. This is the first description of a collision tumor composed of pancreatic adenocarcinoma and retroperitoneal liposarcoma. The reported case demonstrates that inconsistent diagnostic results (e.g. imaging and pathology) should raise suspicion concerning the diagnosis. Awareness of these rare cases might protect us from underdiagnosing patients and therefore leading to better patient care. There is evolving evidence that will lead to more personalized treatment options for somatic BRCA mutated pancreatic cancer.

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Multiple sclerosis, human herpesvirus 4 and thyroid collision tumor: A case report.

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Multiple sclerosis, human herpesvirus 4 and thyroid collision tumor: A case report.

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