The Open Neurology Journal




ISSN: 1874-205X ― Volume 13, 2019
CASE REPORT

An Atypical Case of POEMS Syndrome Associated with Autonomic Dysfunction



Mariana B. Hämmerle1, Karina L. Pires1, *, Márcia B. Hammerle1, Pedro de Mello Vianna P. Galvão1, Lavinia L. Bergier1, Vitor V.1, Monique de França Silva1, Marcelo R. Caetano1, Felix Perez1, Kevin A. Reyes1, Camila B. Almenara1, Larissa Cristine de Souza Lopes1, Daiane V. Botelho1
1 Gaffree Guinle University, Hospital Internal Medicine Rio de Janeiro, 5521996752660 Rua Mariz e Barros 775, Brazil

Abstract

A 52 year old patient showed, for two years, symptoms compatible with sensorimotor polyneuropathy preventing him from walking. An electroneuromyography found a demyelinating pattern suggesting Chronic Inflammatory Demyelinating Polyneuropathy (CIDP). The patient did not respond to corticosteroid therapy and later suffered sexual Dysfunction, Swelling, Lymphadenopathy, Hypotension, astrointestinal dysmotility, urinary retention and neuropathic pain. Analysis of the Cerebrospinal Fluid (CSF) revealed elevated protein levels and Computed Tomography (CT) scan found sclerotic bone lesions. High Vascular Endothelial Growth Factor (VEGF) levels and the results of Lambda light-Chain monoclonal gammopathy in urine protein Electrophoresis Suggested a Diagnosis of POEMS syndrome. The most striking feature, in this case, was the patient’s heightened and atypical polyneuropathy without axonal injury even after an extended period of time, and significant and atypical dysautonomia.

Keywords: POEMS, Cow-Fukase, Takatsuki, Polyneuropathy, Dysautonomia, Castleman disease.


Article Information


Identifiers and Pagination:

Year: 2019
Volume: 13
First Page: 92
Last Page: 95
Publisher Id: TONEUJ-13-92
DOI: 10.2174/1874205X01913010092

Article History:

Received Date: 25/05/2019
Revision Received Date: 17/06/2019
Acceptance Date: 11/07/2019
Electronic publication date: 31/08/2019
Collection year: 2019

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© 2019 Beiral Hämmerle et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


* Address correspondence to this author at the Gaffree Guinle University, Hospital Internal Medicine, Rio de Janeiro 5521996752660, Rua Mariz e Barros 775, Brazil; Email: karinalebeis1@gmail.com





1. INTRODUCTION

POEMS syndrome is a rare paraneoplastic syndrome of hematological origin [1Dispenzieri A. POEMS syndrome: 2017 Update on diagnosis, risk stratification, and management. Am J Hematol 2017; 92(8): 814-29.
[http://dx.doi.org/10.1002/ajh.24802] [PMID: 28699668]
]. It is also known as osteosclerotic myeloma, Crow-Fukase syndrome and Takatsuki syndrome, and was first described in 1980 by Bardwick [1Dispenzieri A. POEMS syndrome: 2017 Update on diagnosis, risk stratification, and management. Am J Hematol 2017; 92(8): 814-29.
[http://dx.doi.org/10.1002/ajh.24802] [PMID: 28699668]
, 2Warsame R, Yanamandra U, Kapoor P. POEMS Syndrome: An enigma. Curr Hematol Malig Rep 2017; 12(2): 85-95.
[http://dx.doi.org/10.1007/s11899-017-0367-0] [PMID: 28299525]
]. POEMS is an acronym referring to several, but not all, pathological characteristics of the condition: polyradiculoneuropathy, organomegaly, endocrinopathy, monoclonal plasmacytic disorder and skin changes [1Dispenzieri A. POEMS syndrome: 2017 Update on diagnosis, risk stratification, and management. Am J Hematol 2017; 92(8): 814-29.
[http://dx.doi.org/10.1002/ajh.24802] [PMID: 28699668]
]. A few other non-represented characteristics are papilledema, extracellular volume overload, sclerotic bone lesions, thrombocytosis/erythrocytosis, increased levels of Vascular Endothelial Growth Factor (VEGF) and Castleman disease [2Warsame R, Yanamandra U, Kapoor P. POEMS Syndrome: An enigma. Curr Hematol Malig Rep 2017; 12(2): 85-95.
[http://dx.doi.org/10.1007/s11899-017-0367-0] [PMID: 28299525]
]. The physiopathology of POEMS syndrome is not well known but is commonly associated with chronic inflammation and overproduction of substances like VEGF, interleukin-1B, tumor necrosis factor-alpha and interleukin-6 [3Thakral S, Issa NP, Barboi AC, Lee JM. Prominent dysautonomia in a patient with POEMS syndrome. Clin Auton Res 2016; 26(3): 223-8.
[http://dx.doi.org/10.1007/s10286-016-0357-7] [PMID: 27165541]
].

POEMS syndrome’s clinical spectrum is fairly extensive. Peripheral nerves are a major target and the disorder is usually found in polyneuropathy patients with preserved autonomic function despite severe motor dysfunction [4Scarlato M, Previtali SC, Carpo M, et al. Polyneuropathy in POEMS syndrome: Role of angiogenic factors in the pathogenesis. Brain 2005; 128(Pt 8): 1911-20.
[http://dx.doi.org/10.1093/brain/awh519] [PMID: 15975949]
-6Fujinuma Y, Asahina M, Fukushima T, et al. Preserved autonomic function in patients with POEMS syndrome. J Neurol Sci 2012; 318(1-2): 131-4.
[http://dx.doi.org/10.1016/j.jns.2012.03.004] [PMID: 22507753]
]. Autonomic function preservation is typical of this syndrome and distinguishes it from other neuropathies such as diabetic neuropathy [3Thakral S, Issa NP, Barboi AC, Lee JM. Prominent dysautonomia in a patient with POEMS syndrome. Clin Auton Res 2016; 26(3): 223-8.
[http://dx.doi.org/10.1007/s10286-016-0357-7] [PMID: 27165541]
]. This paper reports the case of a POEMS syndrome patient who critically showed signs of dysautonomia, which strengthens the need for research on atypical cases of this disorder.

2. CASE REPORT

A 52 year old man of light brown skin from the state of Rio de Janeiro, Brazil, without any neurological comorbidities or family history, three years ago began showing bilateral gynecomastia and early-onset sexual dysfunction. Over the same period of time, the patient lost 20kg (44lbs), approximately 25% of his body weight. He also exhibited plantar paresthesia ascending to the upper limbs and culminating in a tetraparesis that prevented him from walking. After electroneuromyography, the patient was diagnosed with Chronic Inflammatory Demyelinating Polyneuropathy (CIDP) and Corticotherapy was Initiated which Proved unsuccessful.

Subsequently and crucially, the patient sustained lower limb edema, ascites and bilateral pleural effusion (Fig. 1) and was admitted to the Gaffrée and Guinle University Hospital for diagnosis and treatment. During hospitalization, he suffered respiratory failure, requiring orotracheal intubation, dysautonomia with refractory arterial hypotension, xerostomia, urinary retention and constipation.

Physical examination revealed digital clubbing, axillary and inguinal lymph node enlargement with mobile and elastic lymph nodes, significant abdominal distension and no hepatosplenomegaly. Other findings included bilateral gynecomastia, symmetrical testicles of adequate size for his age and tetraparesis with a marked motor deficit in lower limb distal muscles. In addition to these symptoms the patient had global hyporeflexia, tactile and painful hypoesthesia, from the lower limbs to the distal region of the thigh and apalesthesia. A fundoscopic examination found no sign of papilledema.

Initial laboratory tests revealed thrombocytosis. No changes were observed in the thyroid hormones, glycated hemoglobin, cyanocobalamin, HIV, syphilis, and hepatitis serologies. Sexual dysfunction was reported. The prolactin level mildly increased at 34 ng/ml (normal <15); luteinizing hormone and follicle-stimulating hormone levels were normal. Testosterone was not tested.

Analysis of the patient’s Cerebrospinal Fluid (CSF) found increased protein and glucose levels at 134 mg / dL (normal <45) and 83mg/dL (normal 40-70), respectively. Cytometry found 2 leukocytes that were 100% mononuclear.

Electroneuromyography revealed sensorimotor peripheral polyneuropathy with a demyelinating pattern without axonal loss. There was no conduction block. Conduction velocities ranged from 7.5 to 13.5 m/s and response amplitudes ranged from 0.1 to 0.2 mV. Phrenic nerve analysis also revealed a demyelinating pattern.

A transthoracic echocardiogram confirmed mild pericardial effusion, moderate left-ventricle systolic dysfunction and diastolic dysfunction. A Computed Tomography (CT) scan revealed lymphadenopathy in the lower paratracheal, subcarinal and para-aortic chains in addition to sclerotic bone lesions in the lower third of the sternum body, left anterior acetabulum, right ilium and T9, T11 and T12 vertebral bodies (Fig. 2).

The results of the axillary lymph node biopsy were consistent with a reactional pattern (Fig. 3). Bone marrow biopsy revealed 50% cellularity with the three hematopoietic series, along with 10% plasma cells (Fig. 4). No peripheral nerve biopsy was performed.

Peripheral blood protein electrophoresis showed homogeneous distribution of immunoglobulins and urine protein electrophoresis demonstrated monoclonal peak at lambda light chain.

VEGF concentration was 300 times the reference value.

The association of demyelinating polyneuropathy with lambda light-chain monoclonal gammopathy in urine electrophoresis, along with sclerotic bone lesions, increased VEGF, extracellular volume overload, lymph node enlargement, endocrinopathy, thrombocytosis, weight loss and digital clubbing confirmed the diagnosis of POEMS syndrome.

Fig. (1)
CT scan that confirmed the presence of moderate bilateral pleural effusion and passive atelactasis in the adjacent lower-right lobe.


Fig. (2)
CT images showing sclerotic bone lesions in the right ilium (a), lower third of the sternum body (b), and thoracic vertebrae (c). Lesions exhibited the typical pouch and soup-bubble-like appearance with a clear sclerotic rim (arrows).


After diagnosis, the patient underwent chemotherapy with cyclophosphamide, dexamethasone and interferon. This regimen succeeded in partially improving motor function but the patient continued to suffer from neuropathic pain and significant dysautonomia and the ensuing tachycardia, xerostomia, urinary retention, heat intolerance, bowel constipation and refractory hypotension. Noradrenaline was then used to maintain effective hemodynamic stability. The patient passed away due to pneumonia, three years after the onset of the first symptoms and 45 days after the initial treatment.

Fig. (3)
A. Evidence of B and T lymphocyte depletion in reduced germinative centers. Immunostaining demonstrated sinusoid expansion due to histiocytes, edema and hemorrhage. No evidence of viral cytopathic effect granuloma or necrosis. The pattern was reactional. B. T lymphocytes and blasts show atypical nuclei, histiocytes with hemosiderin and red blood cells in the stroma. Immunohistochemical study with positive detection of CD3, CD5, CD20, CD23 and BCL-2 and negative for CD10 and cyclin D1. Negative results for acid-fast bacilli and fungal infection tests using PAS coloration, Ziel-Neelsen and Grocott methods.


Fig. (4)
Histopathological study of bone marrow biopsy specimens. A. Immunohistochemical study revealed CD138 expression in plasmocytes (in brown). B. Bone marrow biopsy with an estimated cellularity of 50%. There was evidence of trilinear hematopoiesis. Megakaryocytes showed multiple lobules in their nuclei and exhibited increased number, varied sizes, and were slightly dysmorphic. Stromal degeneration, along with histiocytes with hemosiderin deposits and thrombocytosis were also visible. Approximately 10% of the cells were plasmocytes.


3. DISCUSSION

POEMS syndrome diagnosis is based on major and minor criteria. The mandatory major criteria are polyneuropathy-typically demyelinating, sensorimotor, progressive and distal-and monoclonal gammopathy. There are three main secondary criteria, any one of which suffices for diagnosis purposes: Castleman disease, sclerotic bone lesions or elevated VEGF. There are six minor criteria, any one of which suffices for diagnosis purposes: organomegaly, extravascular volume overload, endocrinopathy, skin changes, papilledema or thrombocytosis/polycythemia. Clubbing, weight loss, pulmonary hypertension, diarrhea and low vitamin B12 levels can also be included, however, none of these are considered the diagnostic criteria [1Dispenzieri A. POEMS syndrome: 2017 Update on diagnosis, risk stratification, and management. Am J Hematol 2017; 92(8): 814-29.
[http://dx.doi.org/10.1002/ajh.24802] [PMID: 28699668]
, 4Scarlato M, Previtali SC, Carpo M, et al. Polyneuropathy in POEMS syndrome: Role of angiogenic factors in the pathogenesis. Brain 2005; 128(Pt 8): 1911-20.
[http://dx.doi.org/10.1093/brain/awh519] [PMID: 15975949]
].

The patient showed four out of five major criteria and four minor ones. Initially diagnosed with CIDP, he did not respond to corticotherapy. A detailed history and physical examination indicated that the CIDP diagnosis was insufficient as other organs and systems had been affected.

POEMS syndrome neuropathy usually begins with lower limb distal pain and paresthesia followed by motor disorders. The latter can be predominantly distal or, in the case of CIDP, show symmetrical proximal distribution [3Thakral S, Issa NP, Barboi AC, Lee JM. Prominent dysautonomia in a patient with POEMS syndrome. Clin Auton Res 2016; 26(3): 223-8.
[http://dx.doi.org/10.1007/s10286-016-0357-7] [PMID: 27165541]
, 7Allen JA. Chronic demyelinating polyneuropathies. Continuum (Minneap Minn) 2017; 23(5, Peripheral Nerve and Motor Neuron Disorders): 1310-31.
[PMID: 28968364]
]. Both conditions involve albuminocytologic dissociation in CSF and electrophysiological evidence of demyelinating f wave prolongation, slow conduction velocities and temporal dispersion [5Keddie S, D’Sa S, Foldes D, Carr AS, Reilly MM, Lunn MPT. POEMS neuropathy: Optimising diagnosis and management. Pract Neurol 2018; 18(4): 278-90.
[http://dx.doi.org/10.1136/practneurol-2017-001792] [PMID: 29511110]
]. The electroneuromyography of POEMS syndrome patients exhibits heightened axonal loss [2Warsame R, Yanamandra U, Kapoor P. POEMS Syndrome: An enigma. Curr Hematol Malig Rep 2017; 12(2): 85-95.
[http://dx.doi.org/10.1007/s11899-017-0367-0] [PMID: 28299525]
]. They maintain autonomic dysfunction despite significant motor dysfunction [6Fujinuma Y, Asahina M, Fukushima T, et al. Preserved autonomic function in patients with POEMS syndrome. J Neurol Sci 2012; 318(1-2): 131-4.
[http://dx.doi.org/10.1016/j.jns.2012.03.004] [PMID: 22507753]
].

Although the reported patient’s clinical conditions were consistent with the syndrome, his neuropathy pattern was unusual. Electroneuromyography revealed a demyelinating sensorimotor polyneuropathy pattern. The patient also showed dysautonomia signs that began with sexual dysfunction and progressed to heat intolerance, severe arterial hypotension, tachycardia, urinary retention, chronic constipation and xerostomia [8Benarroch EE. The clinical approach to autonomic failure in neurological disorders. Nat Rev Neurol 2014; 10(7): 396-407.
[http://dx.doi.org/10.1038/nrneurol.2014.88] [PMID: 24866874]
]. The autonomic dysfunction pattern is unusual for POEMS syndrome and suggests widening diagnostic possibilities in the field of demyelinating polyneuropathy.

CONCLUSION

Polyneuropathy is one of the two major mandatory criteria for POEMS syndrome diagnosis. In these patients, neurological damage usually follows a demyelinating pattern, with greater axonal lesions and autonomic preservation. However occasionally, atypical cases without axonal lesions and significant autonomic dysfunction are observed. This report is significant as this atypical presentation draws attention to the syndrome’s diagnosis. This report will hopefully stimulate research on the rare POEMS syndrome patients whose polyneuropathy is of unknown etiology and leads to less underreporting.

ETHICS APPROVAL AND CONSENT TO PARTICIPATE

Not applicable.

HUMAN AND ANIMAL RIGHTS

No animals/humans were used for studies that are the basis of this research.

CONSENT FOR PUBLICATION

Not applicable.

STANDARD OF REPORTING

CARE Guideline and methodology were followed.

FUNDING

None.

CONFLICT OF INTEREST

The authors declare no conflict of interest, financial or otherwise.

ACKNOWLEDGEMENTS

We would like to thank the Seventh Infirmary of Gafrée and Guinle University Hospital for being the cradle of so much learning, love of medicine and welcoming patients.

REFERENCES

[1] Dispenzieri A. POEMS syndrome: 2017 Update on diagnosis, risk stratification, and management. Am J Hematol 2017; 92(8): 814-29.
[http://dx.doi.org/10.1002/ajh.24802] [PMID: 28699668]
[2] Warsame R, Yanamandra U, Kapoor P. POEMS Syndrome: An enigma. Curr Hematol Malig Rep 2017; 12(2): 85-95.
[http://dx.doi.org/10.1007/s11899-017-0367-0] [PMID: 28299525]
[3] Thakral S, Issa NP, Barboi AC, Lee JM. Prominent dysautonomia in a patient with POEMS syndrome. Clin Auton Res 2016; 26(3): 223-8.
[http://dx.doi.org/10.1007/s10286-016-0357-7] [PMID: 27165541]
[4] Scarlato M, Previtali SC, Carpo M, et al. Polyneuropathy in POEMS syndrome: Role of angiogenic factors in the pathogenesis. Brain 2005; 128(Pt 8): 1911-20.
[http://dx.doi.org/10.1093/brain/awh519] [PMID: 15975949]
[5] Keddie S, D’Sa S, Foldes D, Carr AS, Reilly MM, Lunn MPT. POEMS neuropathy: Optimising diagnosis and management. Pract Neurol 2018; 18(4): 278-90.
[http://dx.doi.org/10.1136/practneurol-2017-001792] [PMID: 29511110]
[6] Fujinuma Y, Asahina M, Fukushima T, et al. Preserved autonomic function in patients with POEMS syndrome. J Neurol Sci 2012; 318(1-2): 131-4.
[http://dx.doi.org/10.1016/j.jns.2012.03.004] [PMID: 22507753]
[7] Allen JA. Chronic demyelinating polyneuropathies. Continuum (Minneap Minn) 2017; 23(5, Peripheral Nerve and Motor Neuron Disorders): 1310-31.
[PMID: 28968364]
[8] Benarroch EE. The clinical approach to autonomic failure in neurological disorders. Nat Rev Neurol 2014; 10(7): 396-407.
[http://dx.doi.org/10.1038/nrneurol.2014.88] [PMID: 24866874]

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