Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
Volume 57 , Issue 6
Showing 1-31 articles out of 31 articles from the selected issue
EDITORIALS
ORIGINAL ARTICLES
  • Norio Aoyama, Jun-ichi Suzuki, Naho Kobayashi, Tomoya Hanatani, Norihi ...
    2018 Volume 57 Issue 6 Pages 777-782
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: November 20, 2017
    JOURNALS OPEN ACCESS

    Objective Tooth loss is an irreversible condition that reflects the end-stage of oral diseases, including periodontitis. Although periodontitis is a major factor in the progression of diabetes mellitus (DM) and cardiovascular disease (CVD), no previous studies have compared tooth loss in CVD patients with and without DM.

    Methods The subjects included CVD patients with (n=94) and without (n=145) DM who attended Tokyo Medical and Dental University Hospital. Blood examinations and periodontal measurements were performed.

    Results The oral and periodontal examinations revealed that the numbers of missing teeth in the DM group were increased in comparison to the non-DM group. There was no significant difference between the groups with regard to the incidence of edentulism, the probing pocket depth, the clinical attachment level or the incidence of bleeding on probing.

    Conclusion We showed that the numbers of missing teeth among CVD patients with DM was significantly higher than that among CVD patients without DM.

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  • Kazuya Ishiguro, Toshiaki Hayashi, Yoshihiro Yokoyama, Yuka Aoki, Kei ...
    2018 Volume 57 Issue 6 Pages 783-788
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: October 11, 2017
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    Objective The complication of systemic immunoglobulin light chain (AL) amyloidosis in patients with monoclonal immunoglobulin affects the prognosis, but amyloid deposition in tissues is sometimes difficult to detect due to bleeding tendencies and preferential distributions. However, fibrinolysis is known to be exacerbated in patients with systemic AL amyloidosis specifically. We therefore explored new biomarkers for predicting a diagnosis of systemic AL amyloidosis focusing on coagulation and fibrinolysis markers.

    Methods We reviewed the clinical features and treatment outcomes of patients with serum monoclonal protein, including primary systemic AL amyloidosis and multiple myeloma (MM), treated at our hospital between January 2008 and December 2014.

    Results Among several biomarkers, only the serum level of plasmin-α2-plasmin inhibitor complex (PIC) in patients with systemic AL amyloidosis (n=26) at the diagnosis was significantly higher than in patients with MM without AL amyloidosis (n=26) (mean±standard deviation, 3.69±2.82 μg/mL vs. 1.23±0.97 μg/mL, p<0.01). The cut-off for predicting a diagnosis of systemic AL amyloidosis in patients with serum monoclonal protein was 1.72 μg/mL with 84.6% sensitivity and 80.8% specificity. Hepatic involvement resulted in a significantly higher PIC level than no involvement in patients with systemic AL amyloidosis. The serum PIC level was also associated with the hematological response of systemic AL amyloidosis.

    Conclusion PIC is a useful biomarker for the diagnosis and management of patients with systemic AL amyloidosis.

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  • Satsuki Aoyama, Ayako Masaki, Yuma Sakamoto, Hisashi Takino, Takayuki ...
    2018 Volume 57 Issue 6 Pages 789-794
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: November 20, 2017
    JOURNALS OPEN ACCESS

    Objective Achromobacter xylosoxidans (A. xylosoxidans) has been recently reported to have an association with the development of pulmonary mucosa-associated lymphoid tissue (MALT) lymphoma in patients from European countries. However, the prevalence rates for A. xylosoxidans may vary significantly from country to country. To assess this association, the prevalence of A. xylosoxidans was analyzed in Japanese patients with pulmonary B-cell lymphoma.

    Methods DNA samples were obtained from formalin-fixed, paraffin-embedded sections of pulmonary MALT lymphomas (n=52), diffuse large B-cell lymphomas (DLBCLs, n=18), and benign pulmonary lesions (n=19). All samples were histopathologically reviewed by experienced hematopathologists, and the clonality of all MALT lymphoma cases was confirmed by a polymerase chain reaction (PCR)-based IGH rearrangement clonality assay. They were also tested for the API2-MALT1 fusion transcript. The presence of bacterial DNA was assessed with a nested PCR, and DNA sequencing was performed to confirm the PCR specificity.

    Results A. xylosoxidans DNA was detected in 1/52 cases of pulmonary MALT lymphoma, 2/18 cases of DLBCL, and 0/19 cases of benign pulmonary lesions. The prevalence of A. xylosoxidans in pulmonary lymphoma was not significantly higher than in benign lesions.

    Conclusion The present study shows that A. xylosoxidans infection may not be associated with pulmonary B-cell lymphoma in a Japanese case series. Large-scale international studies are needed to clarify the role of A. xylosoxidans in pulmonary lymphoma.

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CASE REPORTS
  • Hitoshi Kino, Masakazu Nakano, Akira Kanamori, Tsunehiro Suzuki, Yoshi ...
    2018 Volume 57 Issue 6 Pages 795-800
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: December 08, 2017
    JOURNALS OPEN ACCESS

    A 78-year-old man underwent endoscopic submucosal dissection (ESD) for early gastric adenocarcinoma twice in 2009 and 2014. Between the procedures, he successfully completed Helicobacter pylori eradication therapy. In May 2015, upper endoscopy screening showed two elevated lesions on the gastric fundus, and en bloc resection by ESD was performed. We histopathologically diagnosed the patient to have gastric adenocarcinoma of the fundic gland type. In this case, the two lesions of gastric adenocarcinoma of the fundic gland type multifocally developed after ESD for metachronous gastric tubular adenocarcinoma. Furthermore, they appeared in the gastric fundus, where atrophy had been improved due to eradication therapy.

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  • Masaya Iwamuro, Haruo Urata, Takehiro Tanaka, Seiji Kawano, Yoshiro Ka ...
    2018 Volume 57 Issue 6 Pages 801-806
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: December 08, 2017
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    In this case report, we describe two patients who showed a diffusely whitish mucosa in the posterior wall and the lesser curvature of the gastric body. The patients were serologically- and histopathologically-negative for Helicobacter pylori. Random biopsy specimens from the stomach revealed no regenerative changes, intestinal metaplasia, and/or foveolar hyperplasia in either of the patients. Although lanthanum deposition in the gastric mucosa has been reported to occur in close association with H. pylori-associated gastritis, our patients tested negative for H. pylori. These cases suggest that lanthanum deposition presents as whitish lesions in the gastric body in H. pylori-negative patients.

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  • Takuya Komura, Hajime Ohta, Takuya Seike, Yoshiaki Shimizu, Ryotaro Na ...
    2018 Volume 57 Issue 6 Pages 807-812
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: November 20, 2017
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    The overlap of multiple liver diseases can cause the disease activity and severity to worsen rapidly in some cases. We rarely see patients with non-alcoholic steatohepatitis (NASH) with overlapping autoimmune hepatitis (AIH). A 64-year-old woman who had been prescribed oral drugs to treat diabetes and hypertension (metformin 500 mg/day and voglibose 0.9 mg/day, and termisartan 40 mg/day and amlodipine 5 mg/day, respectively) was diagnosed with NASH with histological confirmation. At 68 years of age, her liver injury worsened with an IgG of 2,871 mg/dL and a high serum anti-nuclear antibody (ANA) level of 2,560. We repeated the liver biopsy, which revealed NASH and mild interface hepatitis with some lobular focal necrosis consisting of overlapping AIH. Therefore, she was treated with 30 mg of prednisolone daily. The treatment led to an improvement in her IgG levels and ANA in the serum and an improvement in the histology results.

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  • Masakuni Fujii, Hiroaki Saito, Masao Yoshioka, Junji Shiode
    2018 Volume 57 Issue 6 Pages 813-817
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: November 20, 2017
    JOURNALS OPEN ACCESS

    Pancreatic cystic lymphangioma is an extremely rare tumor. The characteristic imaging findings are poorly defined, and distinguishing between this disease and other pancreatic cyst-related tumors is very difficult. We herein report a case of a Japanese woman in her 50s with this lesion, located in the tail of the pancreas. Pancreatic cystic lymphangioma should therefore be considered in the differential diagnosis of pancreatic cystic lesions. Laparoscopic resection can be a useful, minimally invasive surgical approach for treating these cysts as well as for the treatment of benign or low-grade malignant tumors located in the pancreatic body or tail.

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  • Kazuhiro Yajima, Yuichiro Yamase, Hideo Oishi, Noriyuki Ikehara, Yasus ...
    2018 Volume 57 Issue 6 Pages 819-822
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: November 01, 2017
    JOURNALS OPEN ACCESS

    The patient was a 63-year-old man with drug-resistant atrial fibrillation who developed coronary spasm during cryoballoon ablation (CBA). CBA was started from the left inferior pulmonary vein. ST elevations in II, III, and aVf, with reciprocal ST depressions in V2-5, occurred in association with chest pain just after balloon rewarming and deflation, and the patient's blood pressure fell to 50 mmHg. Coronary angiography revealed 90% diffuse stenosis from the orifice of segment 1 to segment 4 in the right coronary artery. The stenosis and ST elevations improved after the intracoronary injection of nitroglycerine. Using continuous peripheral intravenous coronary vasodilation, we electrically isolated the other pulmonary veins with CBA without incident.

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  • Tsugumi Takayama, Takuya Ozawa, Akiko Sanada, Tohru Watanabe, Masahiro ...
    2018 Volume 57 Issue 6 Pages 823-827
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: December 08, 2017
    JOURNALS OPEN ACCESS

    A 33-year-old man with severe aortic regurgitation underwent initial aortic valve replacement (AVR). During the 2 years after AVR, 3 reoperations for prosthetic valve detachment were required. During hospitalization, he had no typical clinical findings, with the exception of a persistent inflammatory reaction; a pseudo-aneurysm around the Bentall graft developed 27 days after the 4th operation. This unique clinical course suggested the possibility of Behçet's disease. In the 8 years of follow-up after the administration of prednisolone, the pseudo-aneurysm did not become enlarged and the detachment of the prosthetic valve was not observed. We herein present a case of cardiovascular Behçet's disease, with a review of the literature.

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  • Kazunori Bando, Hirofumi Maeba, Ichiro Shiojima
    2018 Volume 57 Issue 6 Pages 829-834
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: December 08, 2017
    JOURNALS OPEN ACCESS

    A 60-year-old man with a history of hypertension, type 2 diabetes, and reflux esophagitis was admitted to our hospital with hemoptysis, dyspnea, and leg edema. We diagnosed him with adult IgA vasculitis based on the presence of purpura, elevated serum IgA fibronectin complexes, pathophysiological findings, a skin biopsy showing leukocytoclastic vasculitis, and immunofluorescence studies demonstrating granular IgA and C3 deposits in the blood vessel wall. He showed concurrent cardiopulmonary involvement without involvement of the gastrointestinal system and kidneys, which are commonly affected in IgA vasculitis patients. Following treatment with prednisolone, the patient recovered with improvement in cardiopulmonary manifestations.

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  • Hirotaka Waki, Kazuo Eguchi, Shinichi Toriumi, Tomokazu Ikemoto, Tsuka ...
    2018 Volume 57 Issue 6 Pages 835-839
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: December 08, 2017
    JOURNALS OPEN ACCESS

    The diagnosis of cardiac sarcoidosis (CS) has become easier due to advances in imaging modalities, but we sometimes encounter difficult-to-diagnose patients. We herein report the case of a 60-year-old Japanese woman who was diagnosed with isolated CS, although she also met the diagnostic criteria of arrhythmogenic right ventricular cardiomyopathy (ARVC). A histological examination by an endomyocardial biopsy of the right ventricle revealed the typical findings of granulomatous change for CS. Although she did not show any characteristics of systemic sarcoidosis, oral prednisolone treatment was introduced, and she achieved a good response. This case shows that the characteristics of CS can overlap with the diagnostic criteria of ARVC, and that a histological examination is essential for the correct diagnosis of CS.

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  • Kenji Koikawa, Yosuke Okada, Hiroko Mori, Mayuko Kawaguchi, Shinya Uch ...
    2018 Volume 57 Issue 6 Pages 841-844
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: December 08, 2017
    JOURNALS OPEN ACCESS

    We herein report the case of a young woman who was diagnosed with primary hyperparathyroidism and in whom genetic testing confirmed a diagnosis of hyperparathyroidism-jaw tumor syndrome. Familial hyperparathyroidism was suspected based on the patient's young age at the onset of the disease. Thus, genetic testing was performed. It showed a germline mutation in the HRPT2/CDC73 gene and confirmed the diagnosis of hyperparathyroidism-jaw tumor syndrome. Total parathyroidectomy was performed to prevent recurrence. In patients with early-onset hyperparathyroidism, genetic testing should be considered to facilitate the selection of a proper surgical procedure based on the consideration of future life expectancy.

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  • Kazuki Hayasaka, Satoshi Shiono, Naoki Yanagawa
    2018 Volume 57 Issue 6 Pages 845-847
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: November 20, 2017
    JOURNALS OPEN ACCESS

    A 65-year-old man presented with obstructive pneumonia due to squamous cell carcinoma of the lung, which invaded the right main bronchus. Argon plasma coagulation was performed, which reduced his symptoms. Right pneumonectomy was performed after preoperative chemotherapy; the pathological diagnosis was T3N1M0 Stage IIIA. Fifteen months after surgery, he presented with bloody sputum. Bronchoscopy showed multiple endotracheal tumors, and a pathological examination revealed squamous cell carcinoma; the same histology as the primary lung cancer. We hypothesized that direct implantation during bronchoscopic therapy or hematogenous or lymphatic spread might have led to metastasis. A careful follow-up is required after bronchoscopic therapy.

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  • Wakako Daido, Masahiro Yamasaki, Yuka Morio, Kunihiko Funaishi, Sayaka ...
    2018 Volume 57 Issue 6 Pages 849-853
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: December 08, 2017
    JOURNALS OPEN ACCESS

    We herein report the rare case of co-occurring dermatomyositis (DM), interstitial pneumonia (IP), and lung cancer in a 59-year-old man. Computed tomography (CT) and positron emission tomography-CT showed the presence of a left lung tumor with IP, which was diagnosed as lung adenocarcinoma by a CT-guided tumor biopsy. We diagnosed DM based on the presence of myalgia, Gottron's papules, and anti-aminoacyl-tRNA synthetase antibody positivity in the patient. Co-occurrence of the above-mentioned three diseases is rare, and acute exacerbation of IP is a major cause of death in such cases. These patients can be treated with immunosuppressive therapy followed by chemotherapy.

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  • Hiroaki Kitamura, Yasushi Kubota, Kyosuke Yamaguchi, Kazuharu Kamachi, ...
    2018 Volume 57 Issue 6 Pages 855-860
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: November 20, 2017
    JOURNALS OPEN ACCESS

    Solitary bone plasmacytoma (SBP) tends to progress to multiple myeloma (MM); however, progression to multiple solitary plasmacytomas (MSP) is rare. We report a case of CD138-low MSP with 17p deletion in a patient with relapsed SBP. 17p deletion is associated with a poor outcome in patients with MM, and the low expression of CD138 in myeloma cells is associated with drug resistance and a poor prognosis. The patient was successfully treated with bortezomib plus dexamethasone induction therapy and autologous hematopoietic stem cell transplantation followed by bortezomib maintenance therapy. Consequently, bortezomib treatment was stopped and a stringent complete response has been maintained.

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  • Tsuyoshi Muta, Tomoyasu Yoshihiro, Fumiaki Jinnouchi, Kenichi Aoki, Yu ...
    2018 Volume 57 Issue 6 Pages 861-866
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: December 21, 2017
    JOURNALS OPEN ACCESS

    A 64-year-old woman presented with generalized lymphadenopathy and systemic manifestations. The examination of a biopsy specimen revealed peripheral T-cell lymphoma not otherwise specified (PTCL-NOS) expressing cytotoxic molecules. Umbilical cord blood transplantation was successful during a partial remission state after the administration of salvage chemotherapy. The donor-derived large granular lymphocytes started to increase as a result of cytomegalovirus reactivation. The fraction of natural killer (NK) cells expressing the NKG2C molecule accounted for one-third of the total lymphocytes for almost two years. We implicitly indicate the association between the persistence of donor-derived NKG2C+ NK cell-expansion and maintaining a complete remission in similar cases of aggressive PTCL-NOS.

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  • Yasutaka Tajima, Mariko Matsumura, Hiroaki Yaguchi, Yasunori Mito
    2018 Volume 57 Issue 6 Pages 867-871
    Published: March 15, 2018
    Released: March 15, 2018
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    A 27-year-old woman with optic neuritis and cervical myelitis developed hypertrophic demyelinating polyneuropathy. It was hypothesized that the diagnosis was combined central and peripheral demyelination. A hypertrophic nerve was observed subcutaneously, and magnetic resonance imaging demonstrated marked hypertrophy of the nerve roots. The patient was negative for anti-aquaporin 4 antibodies. Her anti-neurofascin 155 antibody levels was slightly elevated, but it was not definitely positive. Pulsed steroid therapy and the administration of immunoglobulin ameliorated her symptoms. Molecules in both the peripheral and central nervous systems might be target antigens, but further investigations will be needed to clarify the precise pathogenic mechanisms.

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  • Yasutaka Tajima, Hiroaki Yaguchi, Yasunori Mito
    2018 Volume 57 Issue 6 Pages 873-876
    Published: March 15, 2018
    Released: March 15, 2018
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    To date, the only instance of tick-borne encephalitis (TBE) in Japan was reported from the southern part of Hokkaido Island in 1993; no other cases have been reported since then. We herein report the first case of TBE reported in the central part of Hokkaido Island, and describe the fatal clinical course of a patient who presented with meningoencephalomyelitis, which partly involved the nerve root. Magnetic resonance imaging (MRI) of the patient's cranium and spine revealed characteristic central nervous system involvement. Our case report is extremely relevant to efforts to protect public health and for precautions against TBE pandemics.

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  • Akatsuki Kubota, Hiroyuki Ishiura, Jun Mitsui, Kaori Sakuishi, Atsushi ...
    2018 Volume 57 Issue 6 Pages 877-882
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: December 08, 2017
    JOURNALS OPEN ACCESS

    A complete loss of merosin, which is encoded by LAMA2, causes congenital muscular dystrophy with leukoencephalopathy. Partial merosin deficiency can be caused not only by primarily LAMA2 mutations, but also secondarily by dystroglycanopathy. Although it can be molecularly diagnosed based on a genetic analysis, this method is labor-intensive because of its huge genome size. A 26-year-old male patient presented with mild muscular weakness, joint contractures, and epilepsy. Double immunofluorescence staining of a muscle biopsy specimen showed mislocalization of merosin, and a genetic analysis revealed a homozygous c.818G>A (p.Arg273Lys) mutation in LAMA2. Double immunofluorescence staining and whole exome sequencing were useful for the diagnosis of partial merosin deficiency.

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  • Takashi Nawata, Makoto Kubo, Hitomi Mitsui, Keiji Oishi, Masatoshi Omo ...
    2018 Volume 57 Issue 6 Pages 883-886
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: November 20, 2017
    JOURNALS OPEN ACCESS

    A 58-year-old Japanese woman was diagnosed with anti-signal recognition particle (SRP)-positive dermatomyositis associated with Sjögren's syndrome, rheumatoid arthritis and lung adenocarcinoma. She presented with cutaneous lesions, including ulceration of her right middle finger. Tissue specimens obtained from her right deltoid muscle were positive for CD4+ T-cell infiltration and the sarcolemma showed the upregulation of major histocompatibility complex (MHC) class I antigens. The present case suggests that overlapping autoimmune diseases or complications of malignancy may result in an atypical clinical presentations and histological findings in patients with anti-SRP antibody-positive dermatomyositis.

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  • Takeshi Yoshida, Mai Yoshida, Kinjo Mitsuyo, Manabu Jonosono, Itsuro H ...
    2018 Volume 57 Issue 6 Pages 887-891
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: November 20, 2017
    JOURNALS OPEN ACCESS

    A 66-year-old woman with a history of interstitial lung disease presented with a 3-month history of dropped head syndrome (DHS), followed by camptocormia and extremity weakness. A clinical examination revealed Raynaud phenomenon, arthralgia, distal skin sclerosis, and microbleeds in the nailfold capillaries. An anti-Ku antibody test was positive. A muscle biopsy revealed inflammatory myopathy with rimmed vacuoles (RVs). The diagnosis of scleroderma-polymyositis (SSc-PM) overlap syndrome was made. RVs on a muscle biopsy in a patient with inflammatory myositis involving axial muscles may be seen either in inclusion body myositis or SSc-PM overlap syndrome. The examination of the skin and autoantibody testing help determine the diagnosis and treatment strategy.

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  • Kiyozumi Suzuki, Mitsuru Yanai, Yuta Hayashi, Hiromasa Otsuka, Kimitos ...
    2018 Volume 57 Issue 6 Pages 893-897
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: December 08, 2017
    JOURNALS OPEN ACCESS

    Edwardsiella tarda is commonly isolated from aquatic environments and a variety of animals. We present the first case of E. tarda bacteremia with psoas and epidural abscess. The patient was a 65-year-old woman with recurrent gastric cancer who had frequently consumed raw fish and grilled eel. She was successfully treated with antimicrobials and surgery. We also review reports published in English regarding E. tarda bacteremia in Japan and the experience at our hospital. On the basis of this review, we conclude that the major underlying disease leading to E. tarda bacteremia is malignancy and that the gastrointestinal tract is the most commonly affected organ. The overall mortality rate due to E. tarda bacteremia in our review was 38.1% (8/21). Although E. tarda bacteremia is rare, clinicians should be aware of this fatal food-borne infection.

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  • Ryosuke Imai, Takakazu Higuchi, Masaya Morimoto, Ryosuke Koyamada, Sad ...
    2018 Volume 57 Issue 6 Pages 899-901
    Published: March 15, 2018
    Released: March 15, 2018
    [Advance publication] Released: November 20, 2017
    JOURNALS OPEN ACCESS

    A 52-year-old man who had been taking omeprazole, a proton pump inhibitor (PPI), for 25 years developed iron deficiency anemia. An evaluation of the entire gastrointestinal tract did not reveal any possible causes of gastrointestinal blood loss. The cause of the iron deficiency was considered to be a reduction in gastrointestinal iron absorption in association with the reduced secretion of gastric acid due to PPI use. This case demonstrates that long-term PPI use for as long as 25 years may cause iron deficiency anemia and should be considered in the differential diagnosis of iron deficiency anemia in long-term PPI users.

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