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Ophthalmic herpes zoster with severe complications in an immunocompromised patient: A case report and review of the literature
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- Published online on: January 11, 2022 https://doi.org/10.3892/etm.2022.11138
- Article Number: 214
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Copyright: © Iancu et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
Abstract
Introduction
Ophthalmic herpes zoster (OHZ) is a frequent localization of zoster (1/5 of cases) that is characterized by typical vesicular lesions arranged on an erythematous-edematous background along the path of the trigeminal nerve ophthalmic branch (1). OHZ is five times more frequent than the mandibular and maxillary branches' damage (2). The impairment of the nasociliary ramification (ophthalmic branch) is clinically expressed by the Hutchinson sign (specific lesions on the lateral edge of the nasal pyramid up to the tip of the nose), and predicts ocular damage (3).
The increasing incidence for herpes zoster, including OHZ, may be due to immunosenescence (increased risk after 60 years) and acquired immunosuppression [the increasing number of neoplasms (particularly haematologic)], transplanted and patients infected with human immunodeficiency virus (HIV), the use of immunosuppressive, chemotherapeutic, biological therapies, systemic corticosteroids for long periods, virulence of the varicella-zoster virus (VZV) and the general immune status of the patient (4).
In OHZ, acquired immunosuppression is frequently induced by organ transplants and immunosuppressive therapies, HIV infection (15-25 times higher) and neoplasms (5). OHZ may present with severe forms in immunosuppressed patients, with long, exhaustive evolutions, which require early systemic therapies with permanent monitoring of potential complications (6). Delayed referrals to specialist doctors and cataract surgery favour the severe forms of OHZ (7,8). OHZ has a higher risk of developing ocular complications; before antiviral therapy the risk was 50% and now the risk has decreased to under 29% (1).
The most common complications associated with OHZ are cutaneous, including ulcerations, cellulitis, vicious scars in necrotic forms, ectropion, entropion and risk of bacterial superinfections with multi-resistant germs, such as methicillin-resistant Staphylococcus aureus (MRSA) and Pseudomonas aeruginosa (9).
Ocular complications can be diverse, from mild, reversible to severe complications resulting in irreversible blindness. The following may occur at the oculo-palpebral level: Episcleritis, scleritis, keratitis, conjunctivitis, iridocyclitis, anterior and posterior uveitis, ciliary body ischemia, secondary glaucoma, vitritis, cataracts, pupillary lesions (Horner syndrome), paralysis of cranial nerves (III, IV-VI), orbital apex syndrome, orbital abscess, lesions of the optic nerve (optic nerve atrophy, retrobulbar optic neuropathy) or retinal lesions (hemorrhagic retinitis, acute retinal necrosis, choroiditis, branchial or central retinal artery obstruction and retinal detachment) (6,10). Acute retinal necrosis is often caused by VZV and presents as acute iridocyclitis, inflammation of the vitreous body, necrotizing retinitis, occlusive retinal vasculitis, rapid loss of vision and retinal detachment (11).
Among the neurological complications in OHZ, the most common is postherpetic neuralgia, which increases with age (36.6% of patients with OHZ are >60 years; 47.5% of patients with ophthalmic herpes are >70 years) (12). Following the remission of acute infection, chronic inflammation persists in the trigeminal area, with perineural lymphocyte infiltrates (trigeminal tract and mesencephalic nucleus) lasting months or years after the eruption of OHZ (12). Manifestation of postherpetic neuralgia decreases with time, reaching 30% at 6 weeks and 9% 1 year after onset (13). Other neurological complications include cranial nerves (III, IV and VI) palsies, Ramsay-Hunt syndrome, palpebral ptosis, sympathetic ophthalmia, contralateral hemiplegia, encephalitis and myelitis (12,14,15). In severe forms of zoster, mortality can be high, particularly in disseminated types (5-15%) (16).
The antiviral agents (for example, acyclovir) inhibits viral DNA polymerase, thus decreasing viral replication (17). Therefore, the oral antiviral therapies or intravenous antiviral agents (for severe forms or for patients who are immunosuppressed) decrese complications in OHZ.
Case report
A male, aged 54 years old, diagnosed with chronic lymphocytic leukemia (CLL), failed to attend follow-up consultations for 1 year. The patient was admitted to the Emergency Hospital of Sibiu County's Dermatology Clinic in August 2016 due to an extensive, extremely painful, erythematous, vesicular-bullous rash, marked edema of the right fronto-orbital level and half of the scalp, impossibility of opening the palpebral cleft and high-intensity headaches (Fig. 1A), which debuted 1 week prior. Following admission, the patient had subfebrile temperature (37.5˚C), with large, painful, hard lymph nodes, adherent to the superficial and deep planes on the right side of the submandibular area.
Ophthalmologic examination of the right eye (RE) revealed conjunctival changes (chemosis, mixed conjunctival hyperemia and purulent conjunctival secretion), at the level of the anterior pole corneal changes (epithelial and stromal edema, and hypotransparency of the cornea), palpebral changes (hard edema and erythematous-vesicular-bullous rash) and protrusion of the eyeball. The posterior pole was difficult to examine due to severity of the swollen eyelids and hypotransparency of the cornea. In both eyes, fine crystalline densifications were present; however, motility was preserved in all quadrants. Examination of the left eye (LE) was within normal limits. Laboratory investigations confirmed the leukemic status (leukocytes, 120,000/mm3), inflammatory syndrome and superinfection of ulcerations with MRSA.
After 24 h, eruption of the zoster disseminated. Within 3 days, the lesions rapidly evolved towards deep, necrotic ulcerations, extending in the periphery and depth, at the right fronto-parietal level (Fig. 1B), including the palpebral level, where it caused palpebral retraction and lagophthalmia. Ophthalmological examination revealed decreased visual acuity ofthe RE (at 50 cm), RE hypotransparency in 2/3 inferior cornea, chemosis, immobile eyeball, semimydriasis, fixed/non-reflexive pupils, exophthalmia (RE, 23 mm; LE, 16 mm) and RE complete ophthalmoplegia (Fig. 2A).
Given the severity of the disease and immunosuppressed status induced by CLL, acyclovir was injected at 3x750 mg/day for 7 days, followed by oral therapy with 4 g/day of acyclovir for an additional 10 days. This therapy was associated with systemic anti-inflammatory, antialgic treatment, opioids, antiepileptics, antibiotics (gentamicin 160 mg/day for 7 days + cotrimoxazole 4x480 mg/day for 14 days), antifungals and group B vitamin therapy. Necrectomy and disinfection with antiseptic solutions were performed locally, as well as application of epithelializing ointments with Kanamycin sulfate. Simultaneously, the patient was evaluated and treated by the ophthalmologist with topical ocular antivirals (acyclovir), antibiotics (chloramphenicol), epithelializing (vitamin A and guma xantan) and mydriatic agents (Tropicamide). Resumption of chemotherapy was unable to be performed for CLL due to the risk of viral multiplication and the possibility of other complications.
After 1 month, the patient was discharged with fronto-parietal granular ulcerations, palpebral scar-like retractile ulcerations, alopecia of RE eyelashes and eyebrows and significant reduction of RE visual acuity (Fig. 1C). The patient was admitted in September 2016 to the Ophthalmology Clinic for ocular pain, marked photophobia and almost complete loss of visual acuity in the RE (the patient perceived hand movement) 1 week after discharge. RE examination revealed abundant conjunctival secretion, corneal and conjunctival hypoesthesia, corneal ulcer in the half lower part of the cornea, with high permeability to fluorescein and peripheral corneal neovascularisation (Fig. 2B). Furthermore, the patient presented low RE visual acuity, perceived hand movements and hyphema (4-5 mm blood in the inferior part of anterior chamber). Intraocular tension was within normal limits (RE, 14 mm Hg; LE, 18 mm Hg), which excluded the diagnosis of secondary glaucoma. MRSA was isolated from the conjunctival secretion, with the same spectrum of sensitivity as during the previous admission. In this case, the corneal ulcer was complicated by the anterior hemorrhagic uveitis and the disciform keratitis that evolved unfavorably towards the neurotrophic keratitis superinfected with MRSA. At the fronto-parietal level, there were ulcerations covered by yellow, adherent and painful crusts.
The systemic therapy included 3 weeks of antivirals, antibiotics (cotrimoxazole for 2 weeks), antifungals and group B vitamins. Topical antibiotics and epithelizing agents were applied on the ulcerations. Corneal epithelialization agents, heparinized blood sample of the patient, glucose solution and other nutrients were administered on the ocular surface. After 3 weeks of treatment, the patient presented with a persistent corneal epithelial defect in 2/3 of the lower part, hyphema of smaller dimensions (~0.5 mm), lagophthalmia due to persistent upper eyelid necrosis, ophthalmoplegia and fronto-parietal granular ulcerations. Thus, blepharoraphy (a type of surgery, which is performed to maintain the anatomical integrity of the eyeball) was performed to prevent corneal ulcerations that may have resulted in perforation and loss of the eyeball. Blepharoraphy was performed to restore the necrotic upper eyelid and inferior eyelid (Fig. 2C).
After 2 months, the patient returned with partially epithelialized ulcerations of the scalp, with blepharoraphy and was referred to the Department of Hematology from County Emergency Hospital of Sibiu (Romania), for CLL therapy. Table I lists the complications associated with OHZ.
Discussion
OHZ appears in 1/5 of all cases with herpes zoster, accompanied by potential skin, ocular, neurological or visceral complications (1). Reactivation, multiplication and retrograde migration of VZV along the trigeminal nerve pathway (ophthalmic branch) is clinically expressed by a specific eruption on the corresponding dermatome, with variable ocular damage that is mostly limited at the cornea. Under immunosuppression, particularly that acquired through neoplasms or immunosuppressive therapies, the risk of developing severe forms that evolve towards disabling complications, such as retractable scars, blindness and cranial nerve palsies, is higher compared with immunocompetent patients (1,6).
Currently, there are only a few published cases of OHZ with multiple complications in patients with cancer (18-27). These published cases and additional articles were searched on PubMed using the following terms: ‘Ophthalmic herpes zoster’, ‘cancer patients’, ‘multiple complications’ and ‘case report’. A total of 12 cases of complicated OHZ in patients with hematological, breast, uterine, thyroid, laryngeal and lung cancers were identified (Table I).
In the present study, considering the immunosuppression acquired by CLL as a major risk factor, the patient developed a severe form of OHZ with multiple complications (Table II). The rapid evolution of ulcers in a necrotic form suggests that OHZ is associated with ecthyma gangrenosum, induced by Pseudomonas aeruginosa, due to immunosuppression (28). The bacteriological exam infirms this suspicion but confirms that ulcers were superinfected with MRSA.
Complete ophthalmoplegia (simultaneous paralysis of the three cranial nerves, III, IV and VI) is a rare complication (11-29% of cases with OHZ) (20). Shin et al (29) performed a study at Moorfields Eye Hospital on 146 patients with OHZ who were >50 years and found that 6.82% of patients had ophthalmoplegia (2.73% complete form; 2.05% unilateral form; 1.36% unilateral form associated with proptosis and 0.68% bilateral form with proptosis) (29).
Multiple cranial nerve paralysis in OHZ can be explained by the direct cytopathic effect of the virus, acting on surrounding neuronal tissues and inflammation of the trigeminal nerve due to VZV reactivation that can spread through the cavernous sinus, thus affecting other nerves (30). At the vascular level, occlusive vasculitis may occur induced by the chronic inflammatory cellular changes of the virus (31).
In the present study, the cytopathic effect of VZV was aggravated by the immunosuppressed status and delayed treatment due to late presentation. Regarding the evolution of the corneal ulcer to anterior hemorrhagic uveitis, there are only a few cases of uveitis with hyphema reported (32-35). Hyphema, a complication of OHZ, has been reported in even fewer cases (36). The cause of bleeding is assumed to be a process of occlusive vasculitis (32).
In the analysis of the immediate prognosis, it is important to consider the risk of the corneal perforation of the ulcer, evolution towards corneal leukoma/loss of the eyeball, chronic ocular inflammation, acute retinal necrosis with the consecutive loss of vision and the orbital apex syndrome (37). In assessing the late prognosis, it is important to consider that postherpetic neuralgia can last for months/years, with an increased risk of the patient's immunosuppression (38). In addition, immunocompromised patients have a higher risk (40%) of visceral dissemination, and the recovery of ophthalmoplegia is extremely difficult (may take 2-18 months) (4).
The prognosis was reserved due to the general oncological pathology, and the severe form of OHZ with multiple and severe ocular, cutaneous and neurological complications that developed.
In conclusion, in the present study, the severe form of OHZ was favored by non-timely referral of the patient to a medical service, the immunosuppression acquired through CLL and patient non-compliance with therapy. Thus severe OHZ with multiple complications, including cutaneous (ulceronecrotic, superinfected ulcers and scars), ophthalmologic (palpebral retraction and necrosis, lagophthalmia, kerato-conjunctivitis, total ophthalmoplegia, anterior hemorrhagic uveitis with hyphema and RE blindness) and neurologic (postherpetic neuralgia) occurred.
The peculiarity of this case consists of the extremely rare occurrence of complete ophthalmoplegia within the OHZ and the hyphema in the herpetic uveitis. This case is among the few of OHZ with multiple and severe complications in immunosuppressed cancer patients reported in the literature.
Acknowledgements
Not applicable.
Funding
Funding: No funding was received.
Availability of data and materials
The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.
Authors' contributions
GMI was involved in research-creation and study design, analysis and interpretation of patient data, manuscript drafting and critical revision of the manuscript for important intellectual content. DMS was involved in data acquisition, analysis and interpretation of patient data, manuscript drafting, and study design. RCC was involved in data acquisition, analysis and interpretation of patient data, manuscript drafting and study design. MR was involved in research-creation, design, analysis and interpretation of patient data, manuscript drafting and critical revision of the manuscript for important intellectual content. All authors have read and approved the final manuscript. All authors confirm the authenticity of all the raw data.
Ethics approval and consent to participate
The study has been approved by the Ethics Committee of the County Emergency Hospital of Sibiu, Romania (approval no. 24505)
Patient consent for publication
Written informed consent for publication was provided by the patient prior to the study start.
Competing interests
The authors declare that they have no competing interests.
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