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Tomczykiewicz K, Pastuszak Z, Staszewski J, Stepień A. [Stiff person syndrome--case report]. POLSKI MERKURIUSZ LEKARSKI : ORGAN POLSKIEGO TOWARZYSTWA LEKARSKIEGO 2014; 36:28-30. [PMID: 24645574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Stiff person syndrome (SPS) is the rare disease and cause great inefficient. It is characterized by progressive stiffness muscles of trunk and the limbs on which the cramps of muscles overlap. In the electrophysiological investigation of the patients the involuntary discharge of motor unit potentials find and also simultaneous contraction agonistic and antagonistic muscles. SPS is presented with insulin-dependent diabetes mellitus often or is the symptom of the paraneoplastic syndrome. It is commonly associated with high anti-glutamic acid decarboxylaze (GAD) antibody titters in the serum of the blood of patients. Establishing the diagnosis can cause difficulties. We observed the patient in the last period about the atypical course the disease. The diagnosis was confirmed occurrences of the high titters of antibodies anti-GAD, the discharge of motor unit potential in paraspinal muscles in the rest and good response the treatment with diazepamem.
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Nakane S, Fujita K, Shibuta Y, Matsui N, Harada M, Urushihara R, Nishida Y, Izumi Y, Kaji R. Successful treatment of stiff person syndrome with sequential use of tacrolimus. J Neurol Neurosurg Psychiatry 2013; 84:1177-80. [PMID: 23715915 DOI: 10.1136/jnnp-2013-305425] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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53
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Ruggieri VL, Arberas CL. [Non-epileptic motor paroxysmal phenomena in wakefulness in childhood]. Rev Neurol 2013; 57 Suppl 1:S105-S114. [PMID: 23897137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Paroxysmal events in childhood are a challenge for pediatric neurologists, given its highly heterogeneous clinical manifestations, often difficult to distinguish between phenomena of epileptic seizure or not. The non-epileptic paroxysmal episodes are neurological phenomena, with motor, sensory symptoms, and/or sensory impairments, with or without involvement of consciousness, epileptic phenomena unrelated, so no electroencephalographic correlative expression between or during episodes. From the clinical point of view can be classified into four groups: motor phenomena, syncope, migraine (and associated conditions) and acute psychiatric symptoms. In this paper we analyze paroxysmal motor phenomena in awake children, dividing them according to their clinical manifestations: extrapyramidal episodes (paroxysmal kinesiogenic, non kinesiogenic and not related to exercise dyskinesias, Dopa responsive dystonia) and similar symptoms of dystonia (Sandifer syndrome); manifestations of startle (hyperekplexia); episodic eye and head movements (benign paroxysmal tonic upward gaze nistagmus deviation); episodic ataxia (familial episodic ataxias, paroxysmal benign vertigo); stereotyped and phenomena of self-gratification; and myoclonic events (benign myoclonus of early infancy). The detection of these syndromes will, in many cases, allow an adequate genetic counseling, initiate a specific treatment and avoid unnecessary additional studies. Molecular studies have demonstrated a real relationship between epileptic and non-epileptic basis of many of these entities and surely the identification of the molecular basis and understanding of the pathophysiological mechanisms in many of them allow us, in the near future will benefit our patients.
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Tomioka R, Tanaka K. [Stiff-person syndrome and related autoantibodies]. BRAIN AND NERVE = SHINKEI KENKYU NO SHINPO 2013; 65:395-400. [PMID: 23568987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Central nervous system hyperexcitability disorders, known as stiff-man/person syndrome (SPS), are thought to be related to the regulatory disturbance of inhibitory synaptic transmission of motor neurons in the brainstem and spinal cord. SPS is characterized by stiffness and spasms of the axis and limbs and is divided into two clinical subgroups: classic SPS, which affects the lumbar, trunk, and proximal limb muscles, and SPS-plus syndrome. The latter comprises (1) the stiff-limb subtype, in which symptom is limited to the lower limbs; (2) jerking stiff-man syndrome, characterized by chronically progressive stiffness and myoclonus; and (3) acute-onset and progressive encephalomyelitis with rigidity and myoclonus. Almost 80% of patients with classic SPS harbor autoantibodies against glutamic acid decarboxylase 65 (GAD65). In approximately 30-40% of patients, SPS accompanies type I diabetes, and anti-GAD65 antibodies are detected frequently in type I diabetes. However, the antibody-recognizing epitopes might be different between SPS and diabetes. Other autoantibodies against glycine receptor α1 (12% of patients with SPS) and GABA(A)-receptor associated protein (70% of patients with SPS) have been reported. In paraneoplastic SPS, anti-amphiphysin antibodies have been shown in patients with breast cancer or small cell lung cancer. One case of mediastinal tumor with anti-gephyrin antibodies has also been reported. However, the roles of these autoantibodies in the pathomechanisms of SPS have not yet been elucidated.
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Ajili F, McKeon A, Najeh B, Leila M, Imen G, Bassem L, Salah O. Une lombalgie révélatrice d’un syndrome de l’homme raide. Pan Afr Med J 2013; 16:116. [PMID: 24778753 PMCID: PMC3998900 DOI: 10.11604/pamj.2013.16.116.3224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Accepted: 10/11/2013] [Indexed: 11/23/2022] Open
Abstract
Le syndrome de l'homme raide est une pathologie neurologique rare. Son diagnostic est souvent très retardé à cause de sa présentation trompeuse. L′expression clinique est purement motrice, progressive avec une hypertonie axiale et des racines des membres, une hyperlordose souvent douloureuse, et un examen neurologique normal en dehors d'une augmentation des réflexes ostéotendineux. Le diagnostic est confirmé par l'examen électromyographique des muscles para-spinaux lombaires avec persistance d'une activité au repos de potentiel d'unité motrice d'allure normale, et une augmentation des anticorps anti acide glutamique décarboxylase (GAD). Le traitement de référence est le diazépam. Les immunoglobulines intraveineuses ont amélioré la qualité de vie des patients. L′évolution est longue et, si l′aggravation peut être stoppée, l′amélioration est souvent incomplète. Nous rapportons une observation de syndrome de l'homme raide, découvert à l'occasion de lombalgies mécaniques chroniques résistantes aux antalgiques améliorées par des cures d'immunoglobulines intraveineuses.
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Fargas Berríos N, García I, García Fragoso L, Rivera González J, Montalvo Ortiz J, Vázquez Correa M, Valcárcel M. Non-familial stiff baby syndrome cases in the northern central area of Puerto Rico. BOLETIN DE LA ASOCIACION MEDICA DE PUERTO RICO 2013; 105:49-51. [PMID: 25154175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Hyperekplexia or Stiff Baby Syndrome is an uncommon disorder of non-epileptic movements with an autosomal dominant inheritance pattern. Neonates present exaggerated startle response to sensory stimuli and temporary muscular rigidity. We report two neonates from the northern center of Puerto Rico who presented involuntary movements, hypertonia and apnea during first days of life, being treated with anticonvulsants without improvement. Both were diagnosed with hyperekplexia due to the clinical evolution associated to normal EEG and head radiologic studies. Electromyography showed persistent muscular activity with periods of rest. Both were managed with clonazepam satisfactorily. We emphasized prompt recognition to prevent seizures misdiagnosis and administering appropriate treatment due to complications of sudden death secondary to stiffness and apnea.
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Byrne TN, Isakoff SJ, Rincon SP, Gudewicz TM. Case records of the Massachusetts General Hospital. Case 27-2012. A 60-year-old woman with painful muscle spasms and hyperreflexia. N Engl J Med 2012; 367:851-61. [PMID: 22931320 DOI: 10.1056/nejmcpc1114036] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Purcell TB, Sellers AD, Goehring LS. Presumed case of "stiff-horse syndrome" caused by decreased gamma-aminobutyric acid (GABA) production in an American Paint mare. THE CANADIAN VETERINARY JOURNAL = LA REVUE VETERINAIRE CANADIENNE 2012; 53:75-78. [PMID: 22753968 PMCID: PMC3239154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Glutamic acid decarboxylase (GAD) converts glutamic acid into the inhibitory neurotransmitter γ-aminobutyric acid (GABA). Increased serum GAD (auto) antibody concentrations were found in a mare with increased postural musculature tone resulting in stiffness and recumbence. The mare was treated with dexamethasone which resulted in resolution of clinical signs and decreased GAD antibody concentrations.
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Kosseifi SG, Mehta JB, Roy T, Byrd R, Farrow J. The occurrence of stiff person syndrome in a patient with thymoma: case report and literature review. TENNESSEE MEDICINE : JOURNAL OF THE TENNESSEE MEDICAL ASSOCIATION 2010; 103:43-47. [PMID: 20509396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Stiff-person syndrome (SPS) is a rare disorder that affects the central nervous system, being characterized by intermittent episodes of muscle spasms, rigidity, and a significant increase in morbidity and mortality. We report a 29-year-old patient, with left-sided chylothorax and thymoma, who presented with truncal, lower extremities stiffness and painful cramps alleviated by diazepam and opiates. His clinical picture was suggestive of SPS secondary to invasive thymoma. This syndrome is best approached by its early recognition and prompt treatment since a missed diagnosis can have deleterious outcome. An intensive search for the underlying etiology is of utmost importance in the management of SPS. A review of the current literature is also included in this manuscript.
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Ishii A. [Stiff-person syndrome and other myelopathies constitute paraneoplastic neurological syndromes]. BRAIN AND NERVE = SHINKEI KENKYU NO SHINPO 2010; 62:377-385. [PMID: 20420178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Stiff-person syndrome (SPS) is an autoimmune neurological disorder characterized by rigidity of the trunk and proximal limb muscles, intermittent superimposed spasms, and increased sensitivity to external stimuli. It has been more than 50 years since Moerch and Woltman reported the first 14 cases with this syndrome. During the last half century, many autoantibodies discovered, such as anti-glutamic acid decarboxylase (GAD), anti-amphiphysin, anti-gephyrin, and anti-gamma-aminobutyric acid A receptor-associated protein (GABARAP) antibodies. There is strong evidence that in SPS, GABAergic neurotransmission is impaired by these pathogenic autoantibodies; however, the exact antigenic target remains unknown. This chapter focuses on the recent advances in the diagnosis, immunopathogenesis, and treatment of paraneoplastic SPS. Paraneoplastic SPS accounts for approximately 5% of all cases of SPS, and is associated with anti-amphiphysin, anti-gephyrin, and anti-Ri antibodies. In addition, author has reported cases of patients with SPS who were positive for anti-GAD antibodies and subsequently developed cancer. Because SPS often develops before the diagnosis of cancer, patients diagnosed with SPS should be monitored for the development of cancer. The treatment of SPS includes the administration of GABA enhancing and antispasmogenic drugs and immunomodulating therapies such as the administration of intravenous immunoglobulin (IVIG). Treatments for cancer occasionally produce symptomatic improvement in patients with paraneoplastic SPS. Although the understanding and treatment of SPS have evolved, the disease remains underdiagnosed. In the past, some patients with SPS have been diagnosed with psychiatric disorders. Therefore, it is important to increase awareness of SPS among practicing physicians.
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Cerimagić D, Bilić E. [Stiff person syndrome (Moersch-Woltman)]. LIJECNICKI VJESNIK 2010; 132:110-114. [PMID: 20540439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The prime goal of this paper is to offer an overview of main scientific points in epidemiology, genetics, pathogenesis, clinical course and therapeutic strategies in stiff person syndrome (SPS). This syndrome is characterized by progressive muscle rigidity and painful muscle spasms. Three major forms of SPS are described, according to the pathophysiologic basis, autoimmune, paraneoplastic and idiopathic SPS. In autoimmune form of SPS the antibodies are specific for an enzyme (glutamic acid decarboxylase, GAD). If the paraneoplastic form takes place, the antibodies may be specific for presynaptic (amphyphysin) or the postsynaptic protein (gephyrin). The SPS diagnosis should be based on clinical, laboratory and electromyoneurographic criteria, according to Gordon and Lorish. The therapeutic approaches are focused on symptomatic therapy managing the muscle spasm and on possible immunomodulatory procedures to attenuate an autoimmune reaction. Two cases of SPS are reported in the Republic Croatia since 2005. Although it is a rare medical condition, SPS is of clinical importance, especially because it may be the first sign of an underlying undiagnosed malignant disease or if the anesthesia is necessary in SPS patient.
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McKeon A, Pittock SJ, Lennon VA. Stiff-person syndrome with amphiphysin antibodies: distinctive features of a rare disease. Neurology 2010; 73:2132; author reply 2133. [PMID: 20018647 DOI: 10.1212/wnl.0b013e3181bd6a72] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Freeman JW, Xu M, Anderson S, Lindemann J. Finding our way: diagnostic perils and the stiff person syndrome. SOUTH DAKOTA MEDICINE : THE JOURNAL OF THE SOUTH DAKOTA STATE MEDICAL ASSOCIATION 2009; 62:360-363. [PMID: 19791526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
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Abstract
Stiff person syndrome (SPS), stiff limb syndrome, jerking SPS and progressive encephalomyelitis with rigidity and myoclonus (PERM) are a family of rare, insidiously progressive diseases of the central nervous system. They all share the core clinical features of appendicular and axial rigidity caused by continuous involuntary motor unit activity, and superimposed stimulus-sensitive spasms. There is good evidence for a primary auto-immune aetiology. Anti-glutamic acid decarboxylase (anti-GAD) antibodies, specifically to the GAD65 isoform, are present in serum or cerebrospinal fluid of 60-80% of patients with SPS and its variants. A paraneoplastic form of SPS is recognized in about 5%, associated with a different profile of auto-antibodies. Repeated intravenous immunoglobulin is the mainstay of disease-modifying therapy in SPS. Rigidity and spasms may be treated symptomatically with benzodiazepines, baclofen, tiagabine and levetiracetam. After an initial progressive phase, patients with SPS generally stabilize over a period of months to years. However, 10% will require prolongedadmission to intensive care at some stage during the disease. Sudden death has been reported in asmany as 10% of patients because of unexplained metabolic acidosis or autonomic crises. The prognosis in paraneoplastic SPS, jerking SPS and PERM, in terms of mortality, is generally worse than in primary SPS.
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Jairala-Quade L, Sánchez-Espinoza J, León E, Naranjo J, Vásquez E. [Stiff-man syndrome]. Rev Neurol 2009; 48:217-218. [PMID: 19226491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
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Teive HAG, Munhoz RP, Cardoso J, Amaral VCG, Werneck LC. Stiff-three limbs syndrome. Mov Disord 2009; 24:311-2. [PMID: 18951538 DOI: 10.1002/mds.22344] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Ozer S, Ozcan H, Dinç GS, Ertuğrul A, Rezaki M, Uluşahin A. [Two stiff person cases misdiagnosed as conversion disorder]. TURK PSIKIYATRI DERGISI = TURKISH JOURNAL OF PSYCHIATRY 2009; 20:392-397. [PMID: 20013431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Modern psychiatric diagnostic systems classify neurological symptoms that cannot be explained by a physical disease or another psychiatric disorder as conversion disorder (CD) or dissociative motor disorder. It is a well-known fact that the overall rate of misdiagnosis of conversion symptoms is high. The most common presenting symptoms of misdiagnosed patients are gait and movement disturbances. Stiff-person syndrome (SPS) is a rare progressive autoimmune neurological disorder. The identification of antibodies against glutamic acid decarboxylase (GAD) in association with SPS provided an important contribution to the understanding of the pathophysiology of this syndrome. Patients may present with severe muscle rigidity and sudden contractions. Simultaneous contraction of agonist and antagonist muscles produces gait disturbance. SPS can be exacerbated by emotional stressors, and sudden auditory, visual, and tactile stimuli. Herein we present 2 patients that were referred for psychiatric assessment, because their neurological symptoms initially could not be explained by a neurological disease, and subsequently diagnosed as SPS. The aim of this case report is to draw attention to the psychiatric presentations of SPS and to emphasize the importance of complete psychiatric and neurological examination, including brain imaging and electrophysiological studies, in the differential diagnosis of CD.
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Cabo-López I, Negueruela-López M, García-Bermejo P, Zamarbide-Capdepon I, García-Ruiz PJ, Durán-Martínez P, González-Roiz C. [Stiff-person syndrome: a case report]. Rev Neurol 2008; 47:249-252. [PMID: 18780271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
INTRODUCTION Stiff-person (stiff-man) syndrome is characterised by symptoms of muscular rigidity and spasms, which are generally of an axial nature. Involuntary contractions of the agonist and antagonist muscles caused by activity of the motor units during rest are the main clinical and electrophysiological marker of the disease. The nature of the syndrome is considered to be autoimmune, with positive glutamic acid decarboxylase (anti-GAD) antibodies in most patients. These antibodies exert an influence over GABAergic transmission. CASE REPORT A 29-year-old female who was admitted to hospital with a diagnosis of psychogenic mutism. While in hospital the patient developed a clinical picture consisting in generalised stiffness that was predominantly axial and proximal with hyperreflexia in the four limbs and strong contraction of the muscles of the abdomen. The most striking lab finding was the presence of anti-GAD, anti-parietal cells, anti-microsomal/TPO and antithyroglobulin antibodies, together with oligoclonal immunoglobulin G bands in the cerebrospinal fluid. Treatment was established with benzodiazepines, antispastic agents and corticosteroids, and the clinical symptoms progressively improved until they had partially remitted at two months. The lab findings and clinical features are compatible with stiff-person syndrome in a patient with associated psychiatric comorbidity. CONCLUSIONS Anti-GAD antibodies are not exclusive to stiff-person syndrome and can also be found in a number of other autoimmune disorders. Other mechanisms which can also produce a dysfunction of the GABAergic system have also been suggested. The syndrome can be difficult to diagnose from the clinical point of view and it must therefore be borne in mind in patients who begin with unexplainable stiffness and spasms because it is a potentially treatable pathology.
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Chia SY, Chua R, Lo YL, Wong MC, Chan LL, Tan EK. Acute ataxia, Graves' disease, and stiff person syndrome. Mov Disord 2007; 22:1969-71. [PMID: 17712846 DOI: 10.1002/mds.21703] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Stiff person syndrome (SPS) has been associated with autoimmune diseases, such as Type 1 diabetes mellitus and autoimmune thyroid disease (Hashimoto's thyroiditis), among others. The association of SPS with hyperthyroidism is extremely rare. We describe a patient with uncontrolled Graves' disease and undiagnosed SPS, who presented initially with acute ataxia simulating a cerebrovascular accident. Initiation of immunosuppressive therapy dramatically improved the patient's Graves' disease within 2 weeks but the neurological symptoms were not alleviated after a follow-up period of 3 years.
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Teggi R, Piccioni LO, Martino G, Bellini C, Bussi M. Stiff-person syndrome with acute recurrent peripheral vertigo: possible evidence of gamma aminobutyric acid as a neurotransmitter in the vestibular periphery. The Journal of Laryngology & Otology 2007; 122:636-8. [PMID: 17666138 DOI: 10.1017/s0022215107000205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVE We report a case of a 58-year-old man suffering from stiff-person syndrome and recurrent peripheral vertigo. METHOD A case report and a review of the recent literature on stiff-person syndrome are presented. RESULTS The patient presented with recurrent episodes of vertigo with a pure peripheral pattern and with concomitant episodes of burning muscle pain, muscle twitching, weight gain and fatigue, worsening with tension or stress that also occurred in periods without vertigo. Cochlear examinations only showed presbyacusis-like hearing loss. The diagnosis of stiff-person syndrome was made with electromyographic examination and from findings in the blood and cerebrospinal fluid of high titres of anti-glutamic acid decarboxylase (GAD67) autoantibodies. In a two-year follow-up period, therapy for stiff-person syndrome abolished episodes of both stiffness and vertigo. CONCLUSION As far as we know, no other clinical case of acute vestibular damage with a possible correlation with anti-glutamic acid decarboxylase antibodies has been described. Peripheral vertigo possibly related to a lack of gamma aminobutyric acid underlines a possible role of gamma aminobutyric acid as a neurotransmitter in the peripheral vestibular system.
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Ohara K, Osawa M, Takeuchi M, Suzuki M, Uchiyama S, Iwata M. [Stiff-person syndrome with elevated anti-Epstein-Barr virus antibody]. Rinsho Shinkeigaku 2007; 47:434-6. [PMID: 17710888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Stiff-person syndrome, a relatively rare disease with a poor prognosis, presents as muscle stiffness, rigidity, and spasm. We reported a patient with this syndrome who was treated successfully. The patient was a 56-year-old Japanese man with respiratory infection-like prodromal symptoms. Episodes of painful spasm in both legs on extension and lordosis occurred spontaneously or were triggered with touch or pinprick stimuli at or below spinal level C3, and progressed subacutely. Tendon reflexes were hyperactive, Babinski's sign was positive, and vibration sense was reduced in the legs. Episodes of spasm were alleviated using diazepam. Even after discontinuing diazepam, these symptoms did not exacerbate. In this patient, although anti-glutamic acid decarboxylase (GAD) antibody was negative, anti-EB virus antibody was positive. No previous reports have described stiff-person syndrome with EB virus infection. However, a few cases of this syndrome associated with viral infection were recently reported and viral gene mimicity with GAD has been postulated. Viral infection might be considered as a probable cause of this syndrome.
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Dinnerstein E, Collins D, Berman SA. A Patient With Post-traumatic Stress Disorder Developing Stiff Person Syndrome. Cogn Behav Neurol 2007; 20:136-7. [PMID: 17558259 DOI: 10.1097/wnn.0b013e31804c701e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Stiff person syndrome (SPS) is an uncommon disorder characterized by progressive muscle stiffness, rigidity, and axial muscle spasms. It is presumed to be an autoimmune process, with glutamic acid decarboxylase antibodies present in most cases. Here, we present a case report of a patient diagnosed with post-traumatic stress disorder (PTSD) acquired by sexual trauma and by exposure to the severely wounded soldiers she attended as a nurse. Subsequently, she developed SPS confirmed by serology. The possibility of an association between PTSD and SPS is theorized, given their relationship to the GABAergic system. Further studies examining the relation between PTSD and SPS should be initiated.
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Guardado Santervás PL, Arjona Padillo A, Serrano Castro P, Olivares Romero J, Rubí Callejón J, Alonso Verdegay G, Huete Hurtado A. Stiff person syndrome (SPS), a basal ganglia disease? Striatal MRI lesions in a patient with SPS. J Neurol Neurosurg Psychiatry 2007; 78:657-9. [PMID: 17507452 PMCID: PMC2077940 DOI: 10.1136/jnnp.2006.099705] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Holmøy T, Horn MA, Vandvik B. [A stiff-legged man with a bizarre gait]. TIDSSKRIFT FOR DEN NORSKE LEGEFORENING 2007; 127:1529-30. [PMID: 17566229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/15/2023] Open
Abstract
BACKGROUND Stiff person syndrome (SPS) is a rare neurological disorder characterized by simultaneous contraction of agonistic and antagonistic muscles. SPS can easily be confused with a psychogenic movement disorder, but the frequent finding of autoantibodies against glutamic acid decarboxylase (GAD65), positive response to immunomodulatory treatment and association with other autoimmune diseases strongly suggests an immununological pathogenesis. CASE REPORT A 43-year-old man was admitted with a three-year history of stiffness and painful spasms in the left leg, causing walking problems and frequent falls. A clinical examination revealed a bizarre gait, pes equinovarus, and simultaneous contraction of agonistic and antagonistic muscles, but no other neurological deficits. Electromyography was normal except for simultaneous contraction of agonistic and antagonistic muscles. Magnetic resonance imaging of the neuraxis and routine examinations of blood and cerebrospinal fluid were normal. A diagnosis of conversion neurosis was considered, but was not supported by positive evidence. The symptoms gradually evolved to affect the back and both legs. Elevated levels of antibodies against GAD65 in serum and cerebrospinal fluid confirmed the diagnosis SPS three and a half years after symptom debut. Both stiffness and muscle cramps responded excellently to diazepam. CONCLUSION This report calls attention to a rare neurological disease, in which absence of specific neurological deficits may lead to an erroneous diagnosis of a psychogenic disorder.
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Gilhus NE. [A diagnosis for specialists]. TIDSSKRIFT FOR DEN NORSKE LEGEFORENING 2007; 127:1530-1. [PMID: 17566230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/15/2023] Open
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