- Clinically undetected plasmacytoid urothelial carcinoma of the urinary bladder with non-mass-forming metastases in multiple organs: an autopsy case
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Asano Y, Miyai K, Yoshimatsu S, Sasaki M, Ikewaki K, Matsukuma S
- KMID: 2531614
- J Pathol Transl Med.
- 2022 Jul;56(4):217-224.
- doi: 10.4132/jptm.2022.03.15
This case report outlines a clinically undetected urinary bladder plasmacytoid urothelial carcinoma (PUC) with multiple metastases detected at autopsy. An 89-year-old man presented with edema in the lower limbs. Pleural... -
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- Cancer of Unknown Primary: Diagnosis and Treatment
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Kim YS, Lee SI
- KMID: 2522014
- Korean J Med.
- 2021 Oct;96(5):408-414.
- doi: 10.3904/kjm.2021.96.5.408
Cancer of unknown primary (CUP) is a heterogenous group of cancers for which the anatomical site of origin is unidentifiable on the basis of standard evaluation and imaging. CUPs account... -
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- Anaplastic Lymphoma Kinase Positive Large B-cell Lymphoma Mimicking Metastatic Carcinoma of the Cervical Lymph Node from an Unknown Primary Lesion
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Kim SW, Lee K, Kim BH, Kim EJ
- KMID: 2521701
- Korean J Otorhinolaryngol-Head Neck Surg.
- 2021 Oct;64(10):760-765.
- doi: 10.3342/kjorl-hns.2020.00703
Anaplastic lymphoma kinase positive large B-cell lymphoma (ALK+LBCL) is a rare subtype of B-cell lymphoma with aggressive features and a poor prognosis. The rarity of this disease and similarity of... -
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- Prognosis of patients with axillary lymph node metastases from occult breast cancer: analysis of multicenter data
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Kim H, Park W, Kim SS, Ahn SJ, Kim YB, Kim TH, Kim JH, Choi JH, Park HJ, Chang JS, Choi DH
- KMID: 2517197
- Radiat Oncol J.
- 2021 Jun;39(2):107-112.
- doi: 10.3857/roj.2021.00241
Purpose: This study was conducted to evaluate prognosis of patients with level I/II axillary lymph node metastases from occult breast cancer (OBC). Materials and Methods: Data of 53 patients with... -
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- Treatment Outcomes of Patients with Head and Neck Squamous Cell Carcinoma of Unknown Primary
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Park KS, Lim HR, Jeong SH, Lee DH, Lim SC
- KMID: 2510786
- Chonnam Med J.
- 2021 Jan;57(1):58-61.
- doi: 10.4068/cmj.2021.57.1.58
The purpose of this study was to evaluate clinical characteristics and treatment outcome of patients with head and neck squamous cell carcinoma of unknown primary (HNSCCUP), treated according to the... -
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- The Role of 18F-FDG PET/CT for Evaluation of Cervical Metastatic Lymph Nodes in a Patient with Metallic Artifacts from Dental Prosthesis: a Case Report
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Park JY, Lee YH
- KMID: 2507743
- Nucl Med Mol Imaging.
- 2020 Oct;54(5):252-255.
- doi: 10.1007/s13139-020-00658-3
Cervical metastasis of squamous cell carcinoma from an unknown primary site occurs in approximately 2–4% of head and neck tumor cases. Without identification of the primary site, proper management cannot... -
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- Clinical Impact of F-18 FDG PET-CT on Biopsy Site Selection in Patients with Suspected Bone Metastasis of Unknown Primary Site
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Yoo SW, Chowdhury MSA, Jeon S, Kang SR, Lee C, Jabin Z, Kim J, Cho SG, Song HC, Bom HS, Min JJ, Kwon SY
- KMID: 2505758
- Nucl Med Mol Imaging.
- 2020 Aug;54(4):192-198.
- doi: 10.1007/s13139-020-00649-4
Purpose We investigated the clinical role of F-18 fluorodeoxyglucose (FDG) positron emission tomography-computed tomography(PET-CT) in the identification of the primary site and the selection of the optimal biopsy site in... -
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- Cancer of Unknown Primary Site Mimicking Retroperitoneal Fibrosis
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Park CK, Yoo SJ, Yoo IS, Kim J, Shim SC, Yeo MK, Kang SW
- KMID: 2438051
- Korean J Med.
- 2018 Dec;93(6):575-581.
- doi: 10.3904/kjm.2018.93.6.575
Retroperitoneal fibrosis (RPF) is a rare disease characterized by marked fibro-inflammatory tissue in the retroperitoneum. Approximately 70% of cases of RPF are idiopathic, while the rest can be secondary to... -
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- FDG PET/CT and Conventional Imaging Methods in Cancer of Unknown Primary: an Approach to Overscanning
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Cetin Avci N, Hatipoglu , Alacacıoglu A, Bayar EE, Bural GG
- KMID: 2431981
- Nucl Med Mol Imaging.
- 2018 Dec;52(6):438-444.
- doi: 10.1007/s13139-018-0544-7
PURPOSE: To compare the performance of fluorine-18 fluorodeoxyglucose positron emission tomography and computed tomography (FDG PET/CT) with conventional imaging methods (CIM), including computed tomography (CT), magnetic resonance imaging (MRI), and... -
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- The Clinical Significance of Occult Gastrointestinal Primary Tumours in Metastatic Cancer: A Population Retrospective Cohort Study
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Hannouf MB, Winquist E, Mahmud SM, Brackstone M, Sarma S, Rodrigues , Rogan PK, Hoch JS, Zaric GS
- KMID: 2403488
- Cancer Res Treat.
- 2018 Jan;50(1):183-194.
- doi: 10.4143/crt.2016.532
PURPOSE: The purpose of this study was to estimate the incidence of occult gastrointestinal (GI) primary tumours in patients with metastatic cancer of uncertain primary origin and evaluate their influence... -
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- Accuracy of Diagnostic Methods for Detection of Head and Neck Primary Origin in Metastatic Neck Mass
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Kim HD, Yoon HJ, Kim KH, Song CM, Ji YB, Tae K
- KMID: 2401407
- Korean J Otorhinolaryngol-Head Neck Surg.
- 2017 Dec;60(12):664-669.
- doi: 10.3342/kjorl-hns.2017.00647
BACKGROUND AND OBJECTIVES: It is important to localize the primary site when cervical lymph node metastasis is detected. The purpose of this study was to evaluate the accuracy of diagnostic... -
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- Optimal Treatment Decision for Brain Metastases of Unknown Primary Origin: The Role and Timing of Radiosurgery
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Han HJ, Chang WS, Jung HH, Park YG, Kim HY, Chang JH
- KMID: 2356978
- Brain Tumor Res Treat.
- 2016 Oct;4(2):107-110.
- doi: 10.14791/btrt.2016.4.2.107
BACKGROUND: Up to 15% of all patients with brain metastases have no clearly detected primary site despite intensive evaluation, and this incidence has decreased with the use of improved imaging... -
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- The Results of Occult Breast Carcinoma Treated with Axillary Node Dissection Only: Five Cases Reports
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Kim Y, Kim H, Cho J, Kwon S, Yeo S, Kang SH
- KMID: 2360683
- J Breast Dis.
- 2016 Jun;4(1):24-27.
- doi: 10.14449/jbd.2016.4.1.24
Herein, we report five cases of occult breast cancer treated with axillary node dissection only, without breast surgery or whole breast radio-therapy. The patients complained of a large, hard mass... -
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- A Case of Metachronous Human Papilloma Virus-Associated Squamous Cell Carcinomas in Head and Neck
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Kim BK, Lee GJ, Kim BY, Chung MK
- KMID: 2160431
- Korean J Otorhinolaryngol-Head Neck Surg.
- 2016 Mar;59(3):233-237.
- doi: 10.3342/kjorl-hns.2016.59.3.233
Synchronous or metachronous head and neck cancer is known to occur in up to 20% of patients, negatively affecting long-term prognosis. We experienced a case of metachronous head and neck... -
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- Undiagnosed Anaplastic Ganglioglioma Resulting in the Sudden Unexpected Death of a Young Woman
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Kim MY, Kim H, Park SH, Lee SD
- KMID: 2044953
- Korean J Leg Med.
- 2015 Aug;39(3):78-83.
- doi: 10.7580/kjlm.2015.39.3.78
Intracranial neoplasms usually have definitive symptoms, causing a need for medical intervention, but a few cases result in sudden unexpected death even before diagnosis. In these cases, autopsy or post-mortem... -
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- Hepatocellular Carcinoma with Cervical Spine and Pelvic Bone Metastases Presenting as Unknown Primary Neoplasm
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Hwang S, Lee J, Lee JM, Hong SH, Lee MA, Chun HG, Chun HJ, Lee SH, Jung ES
- KMID: 2373312
- Korean J Gastroenterol.
- 2015 Jul;66(1):50-54.
- doi: 10.4166/kjg.2015.66.1.50
The occurrence of hepatocellular carcinoma (HCC) is closely associated with viral hepatitis or alcoholic hepatitis. Although active surveillance is ongoing in Korea, advanced or metastatic HCC is found at initial... -
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- Dual Time Point 18F-FDG PET/CT Imaging Identifies Bilateral Renal Tuberculosis in an Immunocompromised Patient with an Unknown Primary Malignancy
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Subramanyam P, Palaniswamy SS
- KMID: 2068996
- Infect Chemother.
- 2015 Jun;47(2):117-119.
- doi: 10.3947/ic.2015.47.2.117
18F-FDG PET/CT imaging is an established imaging modality for cancer staging and response assessment. Its role in identifying infective and inflammatory pathologies from malignancy is debated. Dual time - point... -
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- Indolent Metastatic Squamous Cell Carcinoma of Unknown Primary in the Intrathoracic Lymph Node: A Case Report and Review of the Literatures
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Kim MJ, Lim SH, Han SJ, Choi KH, Lee SH, Park MW, Kang H, Na JO
- KMID: 2114645
- Tuberc Respir Dis.
- 2015 Jan;78(1):23-26.
- doi: 10.4046/trd.2015.78.1.23
Metastatic squamous cell carcinoma from a cancer of unknown primary (CUP) affecting the intrathoracic lymph node is very rare. We reported a case of metastatic squamous cell carcinoma in the... -
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- Diagnostic Value of 68Ga-DOTATATE PET/CT in Liver Metastases of Neuroendocrine Tumours of Unknown Origin
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Tan TH, Lee BN, Hassan SZ
- KMID: 2313196
- Nucl Med Mol Imaging.
- 2014 Sep;48(3):212-215.
- doi: 10.1007/s13139-013-0258-9
PURPOSE: In neuroendocrine liver metastases of unknown primary, a multimodality approach is usually adopted and consists of transabdominal ultrasound, endoscopic ultrasound (EUS), computed tomography (CT), magnetic resonance imaging (MRI), nuclear... -
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- Poorly Differentiated Neuroendocrine Carcinoma in a Perigastric Lymph Node from an Unknown Primary Site
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Lee HS, Han HS, Lim SN, Jeon HJ, Lee HC, Lee OJ, Yun HY, Lee KH, Kim ST
- KMID: 1804888
- Cancer Res Treat.
- 2012 Dec;44(4):271-274.
Neuroendocrine carcinomas from an unknown primary site are uncommon. The authors report on a case of neuroendocrine carcinoma in a perigastric lymph node (LN) with no primary site. A 52-year-old... -
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