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BRIEF COMMUNICATION
Year : 2015  |  Volume : 63  |  Issue : 12  |  Page : 921-924

Unilateral sequential papillophlebitis and central retinal artery occlusion in a young healthy patient


Department of Eye, Faculty of Medicine, Ufuk University, Ankara, Turkey

Date of Submission11-Jun-2015
Date of Acceptance09-Nov-2015
Date of Web Publication10-Feb-2016

Correspondence Address:
Dr. Gülizar Demirok
1425 Avenue, Hayat Sebla Apartment Number 30/37, Kızılırmak Street, Çankaya, Ankara
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0301-4738.176029

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  Abstract 

A 23-year-old girl presented to the clinic with metamorphopsia and photopsia in her left eye. After detailed ophthalmic examination, central retinal vein occlusion with optic disc edema was detected in that eye. Three days after diagnosis, the patient returned to our clinic with visual acuity decrease. Central retinal artery occlusion sparing cilioretinal artery was detected. All the laboratory tests were normal except for heterozygous methylenetetrahydrofolate reductase mutation (A1298C genotypes) and an indefinite Lyme disease seropositivity. Symptoms and visual disturbance recovered without any further treatment other than acetylsalicylic acid for prophylaxis.

Keywords: A1298C mutation, central retinal artery occlusion, central retinal vein occlusion, methylenetetrahydrofolate reductase gene mutation, papillophlebitis


How to cite this article:
Demirok G, Kocamaz MF, Topalak Y, Sengün A, Hasanreisoglu B. Unilateral sequential papillophlebitis and central retinal artery occlusion in a young healthy patient. Indian J Ophthalmol 2015;63:921-4

How to cite this URL:
Demirok G, Kocamaz MF, Topalak Y, Sengün A, Hasanreisoglu B. Unilateral sequential papillophlebitis and central retinal artery occlusion in a young healthy patient. Indian J Ophthalmol [serial online] 2015 [cited 2020 Nov 30];63:921-4. Available from: https://www.ijo.in/text.asp?2015/63/12/921/176029

Retinal vascular occlusions, including arterial and venous obstructions, are serious pathologies that can cause blindness. The clinical characteristics and prognosis are influenced by the location of the occlusion. The presence of cilioretinal artery is vitally important for visual prognosis in central retinal artery occlusions (CRAO).[1]

Central retinal vein occlusion (CRVO) in the young is also known as papillophlebitis and is caused by compression of the central retinal vein due to inflammation of the optic nerve head. CRVO is mostly seen as an isolated event in young adults; however, a previous report showed that there might be some underlying systemic associations in up to 50% of affected individuals.[2]

CRAO in young patients may be caused by hyperhomocysteinemia, systemic lupus erythematosus, trauma, sickle cell disease, platelet abnormalities, in addition to embolic disease.[3],[4]

Combined papillophlebitis and CRAO in the same eye are a devastating and rare entity, especially in an otherwise healthy young patient. Herein, we are trying to report this unusual entity with an extensive laboratory workup to determine the etiological factor. The present case provides, to our knowledge, the first description of this combined entity with sparing cilioretinal artery and excellent visual prognosis in the affected eye.


  Case Report Top


A 23-year-old healthy female patient presented with metamorphopsia and photopsia in her left eye. At presentation, the best-corrected visual acuity (BCVA) was 20/20 in both eyes. Her medical history was unremarkable except her smoking habit (20/day) and coke drinking habit (2l/day). Anterior segment examination and intraocular pressures were within normal limits (17 mmHg) in both eyes. Dilated fundus examination of the left eye showed blurred optic disc margins with hyperemic disc swelling, venous engorgement, and preretinal hemorrhages in the macula. No abnormalities were found in the right eye [Figure 1]a and [Figure 1]b. The optical coherence tomography revealed retinal thickening in the left eye.
Figure 1: (a) Fundus photography of the normal right eye at the initial presentation (b) fundus photography of the left eye at the initial presentation. Note mildly edematous optic disc, dilated and tortuous retinal veins, and preretinal hemorrhages in the macula

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Extensive laboratory workup including the complete blood count, serum C-reactive protein, erythrocyte sedimentation rate (ESR), C-protein, S-protein, D-dimer, lupus test, antinuclear antibody, prothrombin time/partial thromboplastin time, antithrombin III activity, factor V Leiden and prothrombin gene mutation, anticardiolipin antibody, antineutrophil cytoplasmic antibodies, angiotensin converting enzyme, and homocysteine levels were ordered to rule out underlying conditions that might cause papillophlebitis.

At the 3rd day of follow-up, she noted a sudden visual loss in the left eye. BCVA was 20/20 in her right eye and 20/200 in the left eye. Dilated fundus examination revealed CRAO [Figure 2] and intact cilioretinal artery circulation was determined by fundus fluorescein angiography [Figure 3]. Since the macular perfusion was good, there is no proof to accompany of an embolism; the emergency treatment of CRAO, including hyperbaric oxygen or anterior chamber lavage, were not done; only acetylsalicylic acid (ASA) drug 100 mg/day treatment was started.
Figure 2: Fundus photography of the left eye on the 3rd day of the presentation with central retinal artery occlusion. Note retinal edema except foveal region

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Figure 3: Fundus fluorescein angiography of the left eye on the 3rd day of the presentation. Note intact cilioretinal artery circulation

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Routine laboratory findings only showed a mild elevation of white blood cells, ESR, and C-reactive protein. The chest X-ray and magnetic resonance imaging of brain and orbits were normal. All of the tests which were studied to determine the cause of the papillophlebitis were negative except heterozygous (A1298C) methylenetetrahydrofolate reductase (MTHFR) mutation. Despite the fact that the heterozygous mutation of this gene is very common and harmless, the patient was consulted to a hematologist because of the clinical signs. It was reported that this kind of mutation could not cause this condition alone. She was consulted by a cardiologist and a dermatologist who did not reveal any etiological factor.

At the 5th day of follow-up, BCVA increased but there were cells (2+) bilaterally in the anterior chamber and serologic study was conducted for iridocyclitis. Only the Western blot test for Borreliaburgdorferi was positive. Since Turkey was an endemic region for this infection, the infectious disease specialist suggested starting antibiotheraphy although there was no history of any tick bite.

At the 20th day of the examination, left optic disc was pale; the hemorrhages and retinal edema were decreased, and arteries were attenuated [Figure 4]. On the other hand, BCVA was 20/20 in both eyes. Since the cardiology department suggested the patient to be on ASA, we decided to continue her medication.
Figure 4: The left eye with the pale optic disc and attenuated arteries on the 20th day of the presentation

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  Discussion Top


Papillophlebitis is believed to be a type of CRVO in young people; the exact cause is still not known. It can be isolated or can be seen with retinal artery occlusion, most commonly cilioretinal artery.[5] In the current case, the occluded artery after papillophlebitis was central retinal artery. The increased venous pressure after CRVO may have impaired the retinal blood flow, so these two vascular entities may be related. The second possible pathomechanism that is caused to suggest the linkage between them is inflammation of optic disc that caused to disruption of retinal blood flow. The inflammation may be related to smoking, nutritional deficiency, and unhealthy lifestyle of the patient. Because of the papillophlebitis has a better natural course compared retinal vein occlusion in older adults and the presence of an intact cilioretinal circulation, our patient gained her visual acuity without any further treatment.

The enzyme MTHFR has an important role in homocysteine metabolism; therefore, decreased enzyme activity leads to buildup of homocysteine and can cause thromboembolic events.[6] Turaka et al. reported a case of young female with unilateral papillophlebitis who was found to have positive homozygous mutations for MTHFR C677T and A1298C genes. Although there was no information about the blood level of homocysteine in that case report, presumed hyperhomocysteinemia was thought as the main cause for that hypercoagulable state.[7] Conversely, in our patient, there was a heterozygous mutation of A1298C MTHFR and homocysteine level was normal (=6,9 µmol/L). A previous study showed mutation of A1298C MTHFR was a risk for early coronary disease without hyperhomocysteinemia.[8] Thus, heterozygous A1298C mutations may also present an independent risk factor for thrombosis, especially if combined with unhealthy lifestyle and some risk factors such as smoking, high stress, and toxic exposures.

Lyme is a spirochetal disease responsible for a multitude of ocular and systemic manifestations. While it is an uncommon cause of papillitis, it can be presented with severe acute anterior uveitis, howbeit previous cases reported unilateral papillitis as the sole significant ocular sign of Lyme disease.[9] Therefore, due to accompanying bilateral anterior chamber reaction, Lyme seropositivity, and being in an endemic area for Lyme, she was treated with intravenous ceftriaxone with the recommendation of infectious diseases department, despite the lack of any bite story.

Performing extensive laboratory workup is very important in such patients to rule out some etiologic factors. Furthermore, it should be known that heterozygous mutation of A1298C MTHFR gene may cause thromboembolic events even if with the presence of normal homocysteine levels.[8] Based on this knowledge, we decided to recommend systemic anticoagulant therapy, other than ASA to our patient for prophylaxis. The limitation of our paper is that the exact cause of anterior chamber reaction was not clearly determined, and it might have been a simultaneous self-healing iridocyclitis with false positive Lyme serology.

Although combined CRVO (or papillophlebitis) and CRAO entity tend to develop devastating complications such as rubeosis iridis, macular ischemia, and neovascular glaucoma,[10] in the present case, even in the 3rd month of vascular occlusion, neovascularization or macular ischemia was not seen and the visual prognosis was excellent, due to good perfusion of cilioretinal artery in the affected eye. In this regard, this patient is one of the rare cases which vision is preserved despite the combined CRVO and CRAO. The most important challenge for this case is to determine the exact etiology.

Last, heterozygous mutation of A1298C MTHFR with an unhealthy lifestyle or Lyme disease with an atypical presentation may be the reason for this condition in such a young healthy person.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.

 
  References Top

1.
Hayreh SS, Podhajsky PA, Zimmerman MB. Natural history of visual outcome in central retinal vein occlusion. Ophthalmology 2011;118:119-33.  Back to cited text no. 1
    
2.
Fong AC, Schatz H. Central retinal vein occlusion in young adults. Surv Ophthalmol 1993;37:393-417.  Back to cited text no. 2
    
3.
Brown GC, Magargal LE, Shields JA, Goldberg RE, Walsh PN. Retinal arterial obstruction in children and young adults. Ophthalmology 1981;88:18-25.  Back to cited text no. 3
[PUBMED]    
4.
Greven CM, Slusher MM, Weaver RG. Retinal arterial occlusions in young adults. Am J Ophthalmol 1995;120:776-83.  Back to cited text no. 4
    
5.
Schatz H, Fong AC, McDonald HR, Johnson RN, Joffe L, Wilkinson CP, et al. Cilioretinal artery occlusion in young adults with central retinal vein occlusion. Ophthalmology 1991;98:594-601.  Back to cited text no. 5
    
6.
Hanson NQ, Aras O, Yang F, Tsai MY. C677T and A1298C polymorphisms of the methylenetetrahydrofolate reductase gene: Incidence and effect of combined genotypes on plasma fasting and post-methionine load homocysteine in vascular disease. Clin Chem 2001;47:661-6.  Back to cited text no. 6
    
7.
Turaka K, Ziemianski MC, Bryan JS. Papillophlebitis in a Young Girl Secondary to Homozygous Mutation of MTHFR C677T and A1298C Genotypes. Retina Today; March 2013.  Back to cited text no. 7
    
8.
Szczeklik A, Sanak M, Jankowski M, Dropinski J, Czachór R, Musial J, et al. Mutation A1298C of methylenetetrahydrofolate reductase: Risk for early coronary disease not associated with hyperhomocysteinemia. Am J Med Genet 2001;101:36-9.  Back to cited text no. 8
    
9.
McVeigh K, Vakros G. Case report: Papillitis as the sole ocular sign in lyme disease. Clin Ophthalmol 2012;6:1093-7.  Back to cited text no. 9
    
10.
Md Noh UK, Fang SY, Md Din N. Central retinal artery occlusion following central retinal vein occlusion – A case report. J Diabetes Metab 2015;6:566.  Back to cited text no. 10
    


    Figures

  [Figure 1], [Figure 2], [Figure 3], [Figure 4]



 

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