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Aslam F, Chivers FS, Doshi KB, Chang‐Miller A. Positive HLA‐B27 and sacroiliitis is not always spondyloarthritis. Int J Rheum Dis 2019; 22:2213-2217. [DOI: 10.1111/1756-185x.13738] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 09/26/2019] [Accepted: 10/06/2019] [Indexed: 11/26/2022]
Affiliation(s)
- Fawad Aslam
- Division of Rheumatology Department of Internal Medicine Mayo Clinic Scottsdale AZ USA
| | | | - Krupa B. Doshi
- Division of Endocrinology Department of Internal Medicine Mayo Clinic Scottsdale AZ USA
| | - April Chang‐Miller
- Division of Rheumatology Department of Internal Medicine Mayo Clinic Scottsdale AZ USA
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Paul J, Cherian KE, Kapoor N, Paul TV. Treating osteoporosis: a near miss in an unusual case of FGF-23 mediated bone loss. BMJ Case Rep 2019; 12:12/3/e228375. [PMID: 30878966 DOI: 10.1136/bcr-2018-228375] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Oncogenic osteomalacia is a potentially curable condition caused by phosphaturic mesenchymal tumours. We present the case of 54-year-old woman who presented with bony pains and muscle weakness, and was erroneously treated with bisphosphonates elsewhere on the basis of Dual Energy X-ray Absorptiometry (bone density) scan that showed 'severe osteoporosis'. Further evaluation revealed the presence of hypophosphatemia, with a 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid avid lesion involving left mandible on PET scan. Surgical excision of lesion led to improvement in her symptoms with normalisation of phosphorus, and histopathology was diagnostic of mesenchymal phosphaturic tumour. A diagnosis of oncogenic osteomalacia was made. A repeat bone mineral density assessment done a year later showed dramatic improvement. A meticulous examination and evaluation is warranted for any patient presenting with bony pains and muscle weakness. The detection of hypophosphatemia in an elderly individual should prompt the consideration of oncogenic osteomalacia, as localisation and excision of tumour usually results in cure.
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Affiliation(s)
- Jinson Paul
- Endocrinology, Christian MedicalCollege, Vellore, Tamil Nadu, India
| | | | - Nitin Kapoor
- Christian Medical College, Vellore, Tamil Nadu, India
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Li L, Wang SX, Wu HM, Luo DL, Dong GF, Feng Y, Zhang X. Acquired hypophosphatemic osteomalacia is easily misdiagnosed or neglected by rheumatologists: A report of 9 cases. Exp Ther Med 2018; 15:5389-5393. [PMID: 29904418 DOI: 10.3892/etm.2018.6106] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 05/11/2017] [Indexed: 12/23/2022] Open
Abstract
The aim of the present study was to assist rheumatologists in differentiating hypophosphatemic osteomalacia (HO) from mimic rheumatology diseases. Clinical data was obtained from 9 patients with acquired HO, initially misdiagnosed as mimic rheumatologic diseases. The data were retrospectively analyzed and a literature review was performed. The etiology of the cases was as follows: Adefovir dipivoxil-induced Fanconi syndrome was present in 6 of the cases, 2 were tumors and 1 case was chronic nephropathy. The chief complaint was thoracic or back pain and arthralgia, followed by progressive muscle weakness and dramatic movement limitation. All patients were transferred to 3-6 hospitals for extended periods due to misdiagnosis with conditions such as ankylosing spondylitis, chronic arthritis, lumbar disc disease, osteoporosis and somatoform disorder. Hypophosphatemia was observed in the patients and bone scans revealed diffusely decreased tracer uptake, with multiple hot spots of fractured sites and involved joints. Furthermore, patients' bone density was markedly low compared with the normal range for their age and sex. In the present study, 6 of the patients recovered when adefovir dipivoxil was stopped. In 1 case, hypophosphatemia was ameliorated following tumor resection. The remaining patients, 1 with sub-skull tumor and 1 with chronic kidney disease, had poor prognoses due to incurable diseases. In conclusion, diagnosing HO is challenging for rheumatologists and physicians. Basic examinations of electrolyte balance and bone mineral density should be performed, as should tumor screening and a careful collection of patient medical history and drugs in young patients with unexplained thoracic or back pain and muscle weakness. Removing any secondary etiology, such as drugs may dramatically improve the patients clinical manifestations and result in an improved prognosis.
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Affiliation(s)
- Ling Li
- Department of Rheumatology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Shu-Xia Wang
- Department of Nuclear Medicine, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Hong-Mei Wu
- Department of Pathology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Dong-Lan Luo
- Department of Pathology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Guang-Fu Dong
- Department of Rheumatology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Yuan Feng
- Department of Rheumatology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
| | - Xiao Zhang
- Department of Rheumatology, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong 510080, P.R. China
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Feng J, Jiang Y, Wang O, Li M, Xing X, Huo L, Li F, Yu W, Zhong DR, Jin J, Liu Y, Qi F, Lv W, Zhou L, Meng XW, Xia WB. The diagnostic dilemma of tumor induced osteomalacia: a retrospective analysis of 144 cases. Endocr J 2017; 64:675-683. [PMID: 28450684 DOI: 10.1507/endocrj.ej16-0587] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Diagnostic delay of tumor induced osteomalacia (TIO) is common in clinic practice. To investigate the diagnostic condition of TIO in China and raise clinicians' awareness of TIO, we retrospectively analyzed clinical manifestations, biochemical features, and specially evaluated missed diagnoses and misdiagnoses among 144 TIO patients from Peking Union Medical College Hospital during December 1982 to December 2014. Clinical presentations of TIO mainly included bone pain, difficulty in walking, pathological fractures, muscle weakness, and height loss. TIO patients demonstrated hypophosphatemia (0.48±0.13 mmol/L), elevated serum alkaline phosphatase (277.9±152.6 U/L), reduced tubular maximum for phosphorus/glomerular filtration rate (0.39±0.14) and markedly elevated serum fibroblast growth factor 23 (FGF23) (median level 302.9 pg/mL). The average time from onset to a correct diagnosis was 2.9±2.3 years while the mean duration from onset to tumor resection was 5.4±4.2 years. The initial misdiagnosis rate was 95.1% (137/144) and 240 case-times of misdiagnoses occurred among the 144 cases. The most frequent misdiagnoses were intervertebral disc herniation, spondyloarthritis (including ankylosing spondylitis) and osteoporosis. A total of 43.1% (62/144) cases with hypophosphatemia presented on their laboratory sheets were neglected and missed diagnosed. Our study showed that TIO was frequently misdiagnosed and missed diagnosed due to its rarity, insidious onset, nonspecific clinical manifestations and clinicians' poor recognition. It is necessary to test serum phosphorus in patients with musculoskeletal symptoms and difficulty in walking. The measurement of serum FGF23 is rather valuable. Once hypophosphatemia is discovered, TIO should be suspected and it is highly recommended to search for tumors and perform curative surgery.
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MESH Headings
- Beijing
- Biomarkers/blood
- Cohort Studies
- Diagnosis, Differential
- Diagnostic Errors
- Female
- Fibroblast Growth Factor-23
- Fibroblast Growth Factors/blood
- Hospitals, Teaching
- Humans
- Hypophosphatemia/blood
- Hypophosphatemia/etiology
- Hypophosphatemia/physiopathology
- Intervertebral Disc Displacement/blood
- Intervertebral Disc Displacement/diagnosis
- Intervertebral Disc Displacement/diagnostic imaging
- Intervertebral Disc Displacement/physiopathology
- Male
- Medical Records
- Neoplasms, Connective Tissue/blood
- Neoplasms, Connective Tissue/diagnosis
- Neoplasms, Connective Tissue/diagnostic imaging
- Neoplasms, Connective Tissue/physiopathology
- Osteomalacia/blood
- Osteomalacia/diagnosis
- Osteomalacia/diagnostic imaging
- Osteomalacia/physiopathology
- Osteoporosis/blood
- Osteoporosis/diagnosis
- Osteoporosis/diagnostic imaging
- Osteoporosis/physiopathology
- Paraneoplastic Syndromes
- Retrospective Studies
- Spondylitis, Ankylosing/blood
- Spondylitis, Ankylosing/diagnosis
- Spondylitis, Ankylosing/diagnostic imaging
- Spondylitis, Ankylosing/physiopathology
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Affiliation(s)
- Juan Feng
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Yan Jiang
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Ou Wang
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Mei Li
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Xiaoping Xing
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Li Huo
- Department of Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Fang Li
- Department of Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Wei Yu
- Department of Radiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Ding-Rong Zhong
- Department of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Jin Jin
- Department of Orthopaedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Yong Liu
- Department of Orthopaedics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Fang Qi
- ENT Department, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Wei Lv
- ENT Department, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Lian Zhou
- Department of Stomatology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Xun-Wu Meng
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Wei-Bo Xia
- Department of Endocrinology, Key Laboratory of Endocrinology, Ministry of Health, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
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Whyte MP, Totty WG, Novack DV, Zhang X, Wenkert D, Mumm S. Camurati-Engelmann disease: unique variant featuring a novel mutation in TGFβ1 encoding transforming growth factor beta 1 and a missense change in TNFSF11 encoding RANK ligand. J Bone Miner Res 2011; 26:920-33. [PMID: 21541994 PMCID: PMC3179308 DOI: 10.1002/jbmr.283] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We report a 32-year-old man and his 59-year-old mother with a unique and extensive variant of Camurati-Engelmann disease (CED) featuring histopathological changes of osteomalacia and alterations within TGFβ1 and TNFSF11 encoding TGFβ1 and RANKL, respectively. He suffered leg pain and weakness since childhood and reportedly grew until his late 20s, reaching 7 feet in height. He had deafness, perforated nasal septum, torus palatinus, disproportionately long limbs with knock-knees, low muscle mass, and pseudoclubbing. Radiographs revealed generalized skeletal abnormalities, including wide bones and cortical and trabecular bone thickening in keeping with CED, except that long bone ends were also affected. Lumbar spine and hip BMD Z-scores were + 7.7 and + 4.4, respectively. Biochemical markers of bone turnover were elevated. Hypocalciuria accompanied low serum 25-hydroxyvitamin D (25[OH]D) levels. Pituitary hypogonadism and low serum insulin-like growth factor (IGF)-1 were present. Karyotype was normal. Despite vitamin D repletion, iliac crest histology revealed severe osteomalacia. Exon 1 of TNFRSF11A (RANK), exons 2, 3, and 4 of LRP5, and all coding exons and adjacent mRNA splice junctions of TNFRSF11B (OPG), SQSTM1 (sequestosome 1), and TNSALP (tissue nonspecific alkaline phosphatase) were intact. His asymptomatic and less dysmorphic 5'11″ mother, also with low serum 25(OH)D, had milder clinical, radiological, biochemical, and histopathological findings. Both individuals were heterozygous for a novel 12-bp duplication (c.27_38dup, p.L10_L13dup) in exon 1 of TGFβ1, predicting four additional leucine residues in the latency-associated-peptide segment of TGFβ1, consistent with CED. The son was also homozygous for a single base transversion in TNFSF11, predicting a nonconservative amino acid change (c.107C > G, p.Pro36Arg) in the intracellular domain of RANKL that was heterozygous in his nonconsanguineous parents. This TNFSF11 variant was not found in the SNP Database, nor in published TNFSF11 association studies, but it occurred in four of the 134 TNFSF11 alleles (3.0%) we tested randomly among individuals without CED. Perhaps the unique phenotype of this CED family is conditioned by altered RANKL activity.
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Affiliation(s)
- Michael P Whyte
- Center for Metabolic Bone Disease and Molecular Research, Shriners Hospital for Children, St. Louis, MO 63131, USA.
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Bhutani M, Klein MJ, Glezerman I, Landau H, Rosenzweig M, Hassoun H. Osteomalacia due to adult Fanconi syndrome in multiple myeloma. Leuk Lymphoma 2011; 52:536-8. [PMID: 21281229 DOI: 10.3109/10428194.2010.540459] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Jhaveri MA, Mawad HW, Thornton AC, Mullen NW, Greenberg RN. Tenofovir-Associated Severe Bone Pain: I Cannot Walk! ACTA ACUST UNITED AC 2010; 9:328-34. [DOI: 10.1177/1545109710376595] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
| | - Hanna W. Mawad
- University of Kentucky School of Medicine, Lexington, KY, USA
| | | | | | - Richard N. Greenberg
- University of Kentucky School of Medicine, Lexington, KY, USA, Lexington VA Medical Center, Lexington, KY, USA,
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