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IMAGES IN NEUROLOGY
Year : 2021  |  Volume : 24  |  Issue : 2  |  Page : 249-250
 

The potpourri of clinical signs in tuberous sclerosis complex


Advanced Eye Centre, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India

Date of Submission11-Jun-2020
Date of Acceptance11-Jun-2020
Date of Web Publication01-Dec-2020

Correspondence Address:
Dr. Vipin Rana
Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh - 160 012
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aian.AIAN_590_20

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How to cite this article:
Arora A, Rana V, Bazgain K. The potpourri of clinical signs in tuberous sclerosis complex. Ann Indian Acad Neurol 2021;24:249-50

How to cite this URL:
Arora A, Rana V, Bazgain K. The potpourri of clinical signs in tuberous sclerosis complex. Ann Indian Acad Neurol [serial online] 2021 [cited 2021 Jun 13];24:249-50. Available from: https://www.annalsofian.org/text.asp?2021/24/2/249/300173





   Clinical Description Top


A 52-year-old male, known case of hypertension and diabetes mellitus type 2, presented with complaints of diminution of vision (right eye) for 03 weeks, which was painless, sudden onset, and gradually progressive. Best-corrected visual acuity was OD 20/60 and OS 20/20. Anterior segment of both eyes was unremarkable. Right eye fundus showed optic disc pallor, and the left eye revealed hyperemic optic disc with raised and blurred margins and yellowish, raised, a retinal lesion with indistinct margins, superior to fovea, approximately 1/5th of disc diameter with no overlying vitritis [Figure 1]a. Ancillary investigations revealed optic atrophy (right eye) secondary to nonarteritic anterior ischemic optic neuropathy (NAION), and recent onset (NAION) (left eye). Autofluorescence and fundus fluorescein angiography revealed retinal astrocytoma in the left eye. The patient was also assessed by a rheumatologist and a cardiologist to rule out secondary causes of NAION and a neurologist for tuberous sclerosis. Systemically patient was diagnosed to have adenoma sebaceum [Figure 1]c, shagreen patches [Figure 1]d. Magnetic resonance imaging (MRI) brain showed cortical tubers [Figure 1]b. Although our patient presented with decreased vision in the right eye, which was secondary to NAION, however, in literature, we could not find any association between tuberous sclerosis and NAION.
Figure 1: (a) Fundus picture of the left eye showing retinal astrocytoma (blue arrow), hyperemic disc, and corresponding swept-source optical coherence tomography B scan showing dome-shaped lesion arising from the inner retina (red arrow). (b) Axial section of MRI brain in fluid-attenuated inversion recovery sequence showing subcortical linear hyperintense signals along the left precentral gyrus of the frontal lobe likely to represent cortical tubers (blue arrows), (c) showing facial angiofibromas/adenoma sebaceum (blue arrow), and (d) showing shagreen patch on the back (blue square)

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   Discussion Top


We present a spectrum of manifestations in the tuberous sclerosis complex (TSC). In tuberous sclerosis complex, the most common ocular finding is retinal astrocytoma, which is seen in approximately 50% of the patients, and in approximately 50% of these patients, retinal astrocytoma occurs bilaterally.[1] Retinal astrocytoma in TSC usually remains stable, and generally does not affect vision; thus, no treatment is required. However, few retinal astrocytomas progress, and few may develop later which may be a matter of concern, and may require treatment.[2] Thus, precise diagnosis and follow up of retinal astrocytoma is essential not only for supporting the diagnosis of TSC but also to keep an eye for their growth and conversion to aggressive hamartomas so that timely intervention can be taken to prevent the worsening of visual acuity.

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
   References Top

1.
Robertson DM. Ophthalmic manifestations of tuberous sclerosis. Ann N Y Acad Sci 1991;615:17-25.  Back to cited text no. 1
    
2.
Shields JA, Eagle RC, Shields CL, Marr BP. Aggressive retinal astrocytomas in 4 patients with tuberous sclerosis complex. Arch Ophthalmol 2005;123:856-63.  Back to cited text no. 2
    


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