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World Journal of Clinical Cases 2020年第21期8卷 5347-5352页

作者： Hee Jeong Lee sang-gon park Department of Hemato-Oncology Chosun University HospitalGwang-ju 501-717South Korea Department of Internal Medicine Hemato-oncologyChosun University HospitalGwangju 61453South Korea

BACKGROUND Arsenic trioxide(ATO)is recommended for patients who do not achieve molecular remission or who have molecular or morphologic ***,there are no guidelines for adjusting ATO dosage in patients with severe renal failure or on ***,we report the successful treatment of relapsed acute promyelocytic leukemia(APL)in a patient on hemodialysis with ATO single agent and review the cases in *** SUMMARY A 46-year-old woman who has been on hemodialysis to chronic glomerulonephritis for 15 years visited our hospital for *** had been seen for pancytopenia 3 years ago and had been diagnosed with *** also received chemotherapy for APL but unfortunately was lost to follow-up after her second consolidation *** was noted to have pancytopenia by her nephrologist during hemodialysis 1 mo *** marrow biopsy and reverse transcriptase-polymerase chain reaction(RT-PCR)tests revealed a diagnosis of relapsed *** for relapsed APL with ATO single agent was started and she achieved molecular remission after administering 24 doses of *** far,four consolidation therapies have been performed with the ATO single agent,and,to date,the molecular remission has been maintained as negative promyelocytic leukemia/retinoic acid receptor-αfusion gene as confirmed by RTPCR testing for two *** This is a rare case of relapsed APL successfully treated with the single agent ATO in a patient on hemodialysis.

关键词： Arsenic trioxide Acute promyelocytic leukemia Pancytopenia Hemodialysis Promyelocytic leukemia/retinoic acid receptor-αfusion gene Case report

Arterioportal shunt incidental to treatment with oxaliplatin that mimics recurrent gastric cancer

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World Journal of Gastroenterology 2017年第33期23卷 6187-6193页

作者： Hong-Beum Kim sang-gon park Department of Premedical Course Chosun University School of Medicine Department of Internal Medicine HematooncologyChosun University Hospital

Arterioportal shunt(APS) is an organic communication between the hepatic arterial system and the portal venous system. The APS is one of the major causes of transient hepatic attenuation differences on dynamic computed tomography(CT) or magnetic resonance imaging(MRI). This condition is usually associated with trauma,liver cirrhosis,and malignancies of the liver. However,there has been no report about oxaliplatininduced APS. A 41-year-old male was diagnosed with Stage ⅢB gastric cancer. The patient initially underwent neoadjuvant chemotherapy with capecitabine and oxaliplatin After 3 cycles of therapy,the mass had markedly decreased,and a total gastrectomy with splenectomy was performed. Since the malignancy was locally invasive,the patient was continued on the same regimen of the adjuvant chemotherapy. After 3 more cycles,a computed tomography revealed a 1 cm sized arterial-enhancing nodule in the right lobe of the liver. An MRI revealed an arterial enhancing lesion,and a positron emission tomography CT scan showed a hypermetabolic lesion in the same portion of the liver. We tried to perform a liver biopsy; however,an ultrasonography could not detect any mass. A presumptive diagnosis of an APS due to a recurred cancer was made. We found a similar but slightly different case report of an oxaliplatin-induced liver injury,mimicking a metastatic tumor on an MRI. Based on a prior report,the patient was continuedon treatment with adjuvant chemotherapy following discontinuation of oxaliplatin. After 2 cycles,the arterial enhancing liver mass resolved,supporting the final diagnosis of an APS,related to oxaliplatin-induced sinusoidal injury. The patient has not experienced any a relapse after two years of additional follow up recurrent gastric cancer upon interpretation of multiple imaging modalities.

关键词： Liver Arterioportal shunt Recurred cancer Oxaliplatin Transient hepatic attenuation differences

Case mistaken for leukemia after mRNA COVID-19 vaccine administration:A case report

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World Journal of Clinical Cases 2022年第33期10卷 12268-12277页

作者： Seul Bi Lee Chi Young park sang-gon park Hee Jeong Lee Department of Internal Medicine Hemato-oncologyChosun University HospitalGwangju 501-717South Korea

BACKGROUND Following the global outbreak of coronavirus disease 2019(COVID-19),unlike other vaccines,COVID-19 vaccines were developed and commercialized in a relatively short period of *** large-scale administration of this vaccine in a short time-period led to various unexpected side effects,including severe cytopenia and thrombosis with thrombocytopenia *** many reports on adverse reactions,vaccination was necessary to prevent the spread of COVID-19;thus,it is essential to understand and discuss various cases of adverse reactions after *** SUMMARY A 77-year-old woman was administered the second dose of Pfizer mRNA COVID-19 *** vaccination she experienced fever,myalgia,and *** were subsequently administered for several days,but there was no improvement in the *** patient showed severe thrombocytopenia and *** and abdominopelvic computed tomography showed no infection related findings,but splenomegaly and cirrhotic liver features were observed.A large number of immature cells were observed in the peripheral blood smear;thus,bone marrow examination was performed for acute ***,there were no *** patient recovered after administration of hepatotoxins and transfusion treatment for cytopenia and was diagnosed with an adverse reaction to COVID-19 *** Adverse reactions of vaccination could be mistaken for hematologic malignancies including *** report a patient with leukocytosis following COVID-19 vaccination.

关键词： COVID-19 Vaccine mRNA Leukocytosis Adverse reaction Case report

Extremely rare case of successful treatment of metastatic ovarian undifferentiated carcinoma with high-dose combination cytotoxic chemotherapy: A case report

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World Journal of Clinical Cases 2020年第19期8卷 4488-4493页

作者： Hong Beum Kim Hee Jeong Lee Ran Hong sang-gon park Department of Premedical Course Chosun University School of MedicineGwngju 505717South Korea Department of Internal Medicine Hemato-oncologyChosun University HospitalGwangju 505717South Korea Department of Pathology Chosun University HospitalGwangju 505717South Korea

BACKGROUND Ovarian undifferentiated carcinomas are significantly rare and have an aggressive clinical *** resection is the only curative treatment in early-stage ovarian undifferentiated carcinomas that has a favorable *** case of recurrent and metastatic disease,palliative chemotherapy is the only available ***,the effectiveness of standard chemotherapy regimen is not well-known,specifically in the case of extra-ovarian *** report an ovarian undifferentiated carcinoma of recurrent and inoperable advanced stage that was successfully treated with high-dose combination *** SUMMARY A 52-year-old woman presented with a 1-mo history of right lower quadrant and epigastric pain.A computed tomography(CT)scan of the abdomen revealed a multicystic mass with extensive internal necrosis of the right ovary without evidence of metastatic disease.A total hysterectomy with bilateral salpingooophorectomy and omentectomy was performed,but the surgery had a positive resection ***,it was diagnosed as ovarian undifferentiated carcinoma with sarcomatoid *** adjuvant chemotherapy was planned,it was delayed for 6 wk because of postoperative recovery,and the patient complained of abdominal pain.A CT scan and positron emission tomography-CT revealed a huge mass with multiple nodules in the pelvic cavity and para-aortic lymph node *** of standard therapy such as paclitaxel and platinum,combined chemotherapy with etoposide,ifosfamide,and cisplatin was *** patient experienced no recurrence for 5 *** This is a case of metastatic ovarian undifferentiated carcinoma with sarcomatoid change that was successfully treated with high-dose combination cytotoxic chemotherapy.

关键词： Ovarian undifferentiated carcinoma Sarcomatoid change Chemotherapy Etoposide,ifosfamide,cisplatin Case report

Pulmonary amyloidosis and multiple myeloma mimicking lymphoma in a patient with Sjogren’s syndrome:A case report

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World Journal of Clinical Cases 2022年第3期10卷 1016-1023页

作者： Joa Kim Yun Sung Kim Hee Jeong Lee sang gon park Department of Internal Medicine RheumatologyChosun University HospitalGwangju 501-717South Korea Department of Internal Medicine Chosun University HospitalGwangju 501-717South Korea Department of Internal Medicine Hemato-OncologyChosun University HospitalGwangju 501-717South Korea

BACKGROUND Sjogren’s syndrome(SS),which affect salivary gland function,is an autoimmune *** may involve extraglandular *** 10 to 20 percent of SS patients have clinically significant lung disease,but presentation of pulmonary amylodosis is extremly *** incidence of benign monoclonal gammopathy in SS patients is high,but multiple myeloma is *** case involving the simultaneous occurrence of two rare diseases,pulmonary amyloidosis and multiple myeloma,in the same patient with SS has been reported so *** SUMMARY A 41-year-old male patient was referred to our hematology department due to incidentally detected gastric *** had been diagnosed with SS four years *** miliary nodules,ground glass opacity in both lung fields,and enlargement of both inguinal lymph nodes was observed on chest and abdomen computer *** on the pathological findings of lung and lymph node biopsied specimens,the patient was diagnosed with pulmonary amyloidosis and multiple *** amyloidosis and multiple myeloma associated with SS has rarely been *** This is an extremely rare case of simultaneous pulmonary amyloidosis and multiple myeloma in the same patient with SS.

关键词： Case report Sjogren’s syndrome Amyloidosis Multiple myeloma Plasmacytoma

Bronchobiliary fistula after ramucirumab treatment for advanced gastric cancer: A case report

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World Journal of Clinical Cases 2019年第19期7卷 3039-3046页

作者： Hong-Beum Kim Yong Sub Na Hee-Jeong Lee sang-gon park Department of Premedical Course Chosun University School of MedicineDong-guGwangju 501-717South Korea Department of Internal Medicine PulomonologyChosun University HospitalDong-guGwangju 501-717South Korea Department of Internal Medicine Hemato-oncologyChosun University HospitalDong-guGwangju 501-717South Korea

BACKGROUND Bronchobiliary fistula(BBF)is a rare disease characterized by an abnormal connection between the biliary system and *** causes of BBF include trauma and infections,and more recent causes include malignancies and certain cancer *** is an antivascular endothelial growth factor receptor 2 monoclonal antibody,currently used as a second-line treatment for gastric *** SUMMARY A 43-year-old man visited our hospital with the complaint of *** was diagnosed with inoperable advanced gastric cancer owing to invasion of the hepatic hilum by the *** percutaneous transhepatic biliary drainage(PTBD)and stent placement,capecitabine and oxaliplatin were administered as first-line palliative *** tumor progressed,and paclitaxel and ramucirumab were administered as second-line ***,on the first day of the second cycle,the patient suddenly developed dyspnea and *** was diagnosed on the basis of the presence of bilious sputum and the results of computed tomography,and PTBD was *** This is the first report of BBF after administration of the new antiangiogenic agent ramucirumab.

关键词： Ramucirumab Liver Bronchobiliary fistula Advanced gastric cancer Case report

Non-secretory multiple myeloma expressed as multiple extramedullary plasmacytoma with an endobronchial lesion mimicking metastatic cancer:A case report

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World Journal of Clinical Cases 2022年第22期10卷 7899-7905页

作者： Seul Bi Lee Chi Young park Hee Jeong Lee Ran Hong Woo Shin Kim sang-gon park Department of Hemato-oncology Chosun University HospitalGwangju 501-717South Korea Department of Pathology Chosun University HospitalGwangju 501-717South Korea Department of Laboratory Medicine Chosun University HospitalGwangju 501-717South Korea

BACKGROUND Non-secretory multiple myeloma(MM)is a rare condition that accounts for only 3%of MM cases and is defined by normal serum and urine immunofixation and a normal serum free light chain ***-secretory MM with multiple extramedullary plasmacytomas derived from endobronchial lesions is extremely rare and can be misdiagnosed as metastasis of solid *** SUMMARY A 36-year-old man presented with progressive facial swelling and nasal congestion with *** imaging studies revealed an endobronchial mass in the left bronchus and a large left maxillary mass with multiple destructive bone metastatic *** initially presented with lung cancer and multiple ***,pathologic reports showed multiple extramedullary plasmacytomas in the left maxilla and the left *** was no change in the serum and urine monoclonal protein levels,and no abnormalities were observed in laboratory examinations,including hemoglobin,calcium,and creatinine *** bone marrow was hypercellular,with 13.49%plasma *** patient was diagnosed with non-secretory MM expressed as multiple extramedullary plasmacytomas with endobronchial lesions in a rare *** therapy for symptomatic lesions with high-dose dexamethasone was started,and the size of the left maxillary sinus lesion dramatically *** the future,chemotherapy will be administered to control lesions in other *** We present a rare case of non-secretory MM with multiple extramedullary plasmacytoma with an endobronchial lesion.

关键词： Maxillary mass lesion Destructive bone metastatic lesion Multiple extramedullary plasmacytoma Endobronchial lesion Non-secretory multiple myeloma Case report

Acute myelomonocytic leukemia during pembrolizumab treatment for non-small cell lung cancer: A case report

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World Journal of Clinical Cases 2020年第13期8卷 2833-2840页

作者： Hong-Beum Kim sang-gon park Ran Hong Seong-Ho Kang Yong Sub Na Department of Premedical Course Chosun University School of MedicineGwangju 61452South Korea Department of Hemato-oncology Chosun University HospitalGwangju 61453South Korea Department of Pathology Chosun University HospitalGwangju 61453South Korea Department of Laboratory Medicine Chosun University HospitalGwangju 61453South Korea Department of Pulmonology and Critical Care Medicine Chosun University HospitalGwangju 61453South Korea

BACKGROUND Pembrolizumab is a highly selective IgG4 kappa isotype monoclonal antibody against the programmed cell death-1(PD-1)*** the treatment of nonsmall cell lung cancer(NSCLC),pembrolizumab has demonstrated significant efficacy,significant survival outcomes,long-lasting responses,and a good safety profile compared with cytotoxic *** SUMMARY A 79-year-old Korean male presented with a left side palpable neck *** ultrasound-guided core-needle biopsy of the largest neck mass was performed,and squamous cell carcinoma was confirmed based on the histological and immunohistochemical *** was diagnosed with squamous cell carcinoma of the lung with multiple lymph nodes and rib metastases(T1N3M1b,Stage IVA)using enhanced chest computed tomography and 18F-fluorodeoxyglucose positron emission/computed *** 4 cycles of gemcitabine and carboplatin,we clinically judged the disease as *** to the high PD-1 expression demonstrated by the patient,pembrolizumab was initiated(200 mg every 3 wk).After 3 cycles of pembrolizumab,a complete response was *** the 4th cycle of pembrolizumab,the white blood cell count was markedly *** blood smear analysis and bone marrow biopsy were *** patient was diagnosed with acute myelomonocytic *** We present the first report of acute myelomonocytic leukemia during pembrolizumab treatment in an NSCLC patient;the mechanism remains unknown.

关键词： Acute myeloid leukemia Immunotherapy Non-small cell lung cancer Adverse events Case report

Interstitial lung disease induced by the roots of Achyranthes japonica Nakai:Three case reports

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World Journal of Clinical Cases 2021年第8期9卷 2015-2021页

作者： Do-Sik Moon Sung-Ho Yoon Seung-Il Lee sang-gon park Yong-Sub Na Department of Pulmonology and Critical Care Medicine Chosun University HospitalGwangju 61453South Korea Department of Internal Medicine Hemato-OncologyChosun University HospitalGwangju 61453South Korea

BACKGROUND The roots of Achyranthes japonica Nakai(AJN),called“Useul-puli,”has been traditionally used to control pain and improve dysfunction in osteoarthritis patients in South *** SUMMARY We described 3 patients diagnosed with herbal medicine induced interstitial lung disease after consuming boiled the roots of *** were referred to our hospital because of the modified Medical Research Council grade 4 *** computed tomography showed bilateral ground-glass opacities with patchy *** treatment with systemic glucocorticoid therapy and discontinuation of the roots of AJN,their symptoms improved,and almost all ground-glass opacities and patchy consolidations on chest radiography and chest computed tomography *** We present three cases of interstitial lung disease induced by the roots of AJN.

关键词： Herb Interstitial lung disease Achyranthes japonica Nakai Case report

Isolated peritoneal lymphomatosis defined as post-transplant lymphoproliferative disorder after a liver transplant: A case report

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World Journal of Clinical Cases 2019年第24期7卷 4299-4306页

作者： Hong Beum Kim Ran Hong Yung Sub Na Woo Young Choi sang gon park Hee Jeong Lee Department of Premedical Course Chosun University School of MedicineGwangju 501-717South Korea Department of Pathology Chosun University Hospital365 Pilmun-daeroDong-guGwangju 501-717South Korea Department of Internal Medicine PulomonologyChosun University HospitalGwangju 501-717South Korea Department of Plastic and Reconstructive Surgery Chosun University HospitalGwangju 501-717South Korea Department of Internal Medicine Hemato-oncologyChosun University HospitalGwangju 501-717South Korea MD PhDDepartment of HematoOncologyChosun University Hospital365 Pilmun-daeroDong-guGwangju 501-717South Korea

BACKGROUND Post-transplant lymphoproliferative disorder(PTLD) is a fatal complication of solid organ transplantation or allogenic hematopoietic stem cell transplantation that is associated with immunosuppressive therapy. Potential manifestations are diverse, ranging from reactive lymphoid hyperplasia to high-grade *** is usually of B-cell origin and associated with Epstein-Barr virus(EBV)infection. Herein, we describe a case of PTLD involving the peritoneal *** has been only case of PTLD as a diffuse large B-cell lymphoma(DLBCL) in the *** SUMMARY The patient was a 62-year-old man who had been receiving immunosuppressive therapy with tacrolimus since undergoing a liver transplant 15 years prior. He reported that he had experienced abdominal discomfort and anorexia 1 month prior to the current admission. Abdominal pelvic computed tomography(CT)revealed peritoneal and omental mass-like lesions without bowel ***-guided biopsy was performed, and he was histologically diagnosed with EBV-negative DLBCL. Positron emission tomography(PET)-CT depicted peritoneum and omentum involvement only, without any lymphadenopathy or organ masses, including in the gastrointestinal tract. Six cycles of chemotherapy with a "R-CHOP" regimen(rituximab-cyclophosphamide, doxorubicin, vincristine, prednisolone) were administered,and PET-CT performed thereafter indicated complete *** This is the first report of isolated peritoneal lymphomatosis defined as PTLD in a liver transplant recipient.

关键词： Case report Diffuse large B-cell lymphoma Epstein-Barr virus infection Posttransplant lymphoproliferative disorder R-CHOP Isolated peritoneal lymphomatosis