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Bilateral asymmetrical herpes-zoster with Ramsay hunt syndrome in an immunocompetent adult
Virology Journal volume 17, Article number: 123 (2020)
Bilateral herpes zoster (BHZ) is an atypical presentation of herpes zoster (HZ), with few cases reported before. Ramsay Hunt syndrome (RHS) is an uncommon complication of VZV infection. Cases of BHZ with RHS in immunocompetent adults have been reported rarely.
We described an immunocompetent adult who suffered from left-sided thoracic herpes zoster and contralateral RHS simultaneously, and summarizes the characteristics of BHZ.
Cases of BHZ with RHS in immunocompetent adults have not been reported previously. Antivirus - glucocorticoid combination therapy showed a good effect in this case.
Herpes zoster (HZ) is a common infection caused by the varicella-zoster virus (VZV), usually happened in patients in hypoimmunity. VZV remains dormant in nerve tissue until activated. And then it can move along the nerve fibers, lurking in the posterior root ganglion of the spinal cord. Patients with HZ present as erythema, pinhead-sized blister, exudate, neuralgia, which usually do not cross the midline of the body . When bilateral dermatomes are involved, called bilateral herpes zoster (BHZ), Ramsay Hunt syndrome (RHS) is an infrequent, severe presentation of VZV reactivation in the geniculate ganglion. Patients with RHS often appear as herpes of external auditory meatus or tympanic membrane, earache, and facial numbness because of viral invasions to the facial nerve and auditory nerve . Herein, we report an immunocompetent adult suffered from BHZ and RHS simultaneously. As far as we know, there are no other known cases like this patient.
A 55 year-old-male presented to the dermatology clinic with diffused erythema and clustered vesicles affecting the left chest and right ear (Fig. 1a, b). He complained severe pain in the affected region. One week before, some vesicles appeared after taking alcohol. The typically neuropathic pain, such as burning sensation, Shock-like pain, stabbing pain, and feeling of numbness, has been accompanied by the rash. He took some anodyne in an attempt to relieve the pain, but it does not affect reducing symptoms. In the following days, there was a facial asymmetry that occurred in this patient, and the patient developed exudating in his right ear canal.
In the physical examination, grouped blisters, even hernorrhagicbulls with an erythematous base, appeared on his left chest and back along T4-T6 dermatomes. Some blisters had been ruptured and scabbed. The patient’s face was asymmetrical with the droopy corner of the right mouth, and his right nasolabial fold became flattened, and the right eyelid could not be completely closed. The tympanic membrane was integral, but yellow to white exudation was observed on the surface of the external auditory canal.
Laboratory investigations, pure tone audiometry tests, and ear examination were routine. He did not have any chronic disease, medical history, recent weight loss, or exposure to any infectious diseases. The patient was not performed virology tests because the disease could be diagnosed based on typical clinical manifestations. He received the treatment of penciclovir 250 mg twice by dripping and methylprednisolone 40 mg once daily. Pain relief with oral gabapentin and super laser irradiation. By using this therapy for 1 week, vesicles over the right ear and left chest had been absorbed and crusted. The patient could perceive the pain relieving effect. Besides, the right facial palsy with lagophthalmus had slightly improved during this period. Continuation of hospitalization has been advised to the patient, but he denied and left the hospital voluntarily. After being discharged, he took oral valaciclovir 500 mg twice daily, methylprednisolone 24 mg per day, and mecobalamin for 7 days. Besides, acupuncture therapy was conducted on the patient once a week in a traditional Chinese medicine hospital. Two weeks after being discharged, the patient could almost close his right eyelid, and his feeling of pain was entirely resolved. And then, the dose of methylprednisolone had been reduced gradually and discontinued within 1 month. After 2 months follow-up, this patient could close his right eyelid completely, flattened nasolabial fold, and droopy corner of the mouth on his right side has also been improved. (Fig. 2).
Herpes Zoster is a viral disease caused by VZV, characterized as unilateral erythema, blisters, and pain. It usually affected one limited side of the body. When bilateral dermatomes are involved, called bilateral herpes zoster (BHZ), which is an atypical presentation of HZ, although it has an incidence rate under 0.1% and is usually found in immunosuppressed or senile patients , it also happened when VZV escapes unexpectedly from cellular immunity in healthy people. We have reviewed literature and found 40 cases of BHZ have been reported, as illustrated in Table 1. (References can be found in the Supplement 1), The data of those cases was organized with attributes of age, gender, involving dermatomes, underlying diseases, and treatments. It showed that the age of patients with BHZ ranged widely from 3 to 91, with an average of 43.35. Among them, 25 are males. Besides, the thoracic dermatome was mostly involved in BHZ, which was consistent with the previous reports . Furthermore, 21 of the patients were immunocompetent, which includinten10 symmetrical and 11 asymmetrical lesions. The remaining 19 patients were immunocompromised, 7 of them have cancer, and 2 of them have acquired immune deficiency syndrome (AIDS) as underlying diseases. For most patients, the symptoms were relieved after the treatment of acyclovir or famciclovir.
In the case here, it is curious BHZ and RHS simultaneously happened in an immune-competent patient . In our knowledge, there is no comparable cases have been reported. T cells are critical in the process of VZV delivery, especially for the reactivation of VZV . By reviewing the medical history of this patient, we did not find he experienced any chronic illness nor received any immune suppressant medication. However, it is worth noting that the patient drank in 1 week before the onset of illness as mentioned in some reports that alcohol exposure weakens the body’s defense against virus and even leads to more severe or faster disease progression . Thus, we hypothesize that heavy drinking may be one factor contributing to the reactivation of VZV in the two separate ganglia.
Antivirus therapy is necessary for treating HZ, and early application of glucocorticoid might be useful in reducing swelling and easing inflammation of the nerves . A retrospective study suggested that antivirus - glucocorticoid combination therapy could improve the recovery rate of facial paralysis . Our case confirmed the efficacy of the combination. After admission, the patient received penciclovir 250 mg twice by dripping and methylprednisolone 40 mg once daily immediately. The vesicles in the body had been absorbed, and the pain was alleviated. He also received acupuncture therapy after discharged from the hospital. The facial nerve function of this patient had improved gradually in the months’ follow-up.
In conclusion, effective antivirus treatment is the key to treat HZ. And antivirus - glucocorticoid combination therapy is necessary for patients who with RHS. Acupuncture therapy may be helpful to the reparation of injury nerves in advanced stages. However, more research is needed to confirm its effectiveness and security.
Availability of data and materials
Acquired immune deficiency syndrome
Bilateral herpes zoster
Ramsay Hunt syndrome
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This work was supported by Guangdong Natural Science Foundation (2018A030313773).
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Dai, S., Huang, X., Chen, Y. et al. Bilateral asymmetrical herpes-zoster with Ramsay hunt syndrome in an immunocompetent adult. Virol J 17, 123 (2020). https://doi.org/10.1186/s12985-020-01392-0
- Antiviral therapy
- Bilateral herpes zoster (BHZ)
- Ramsay hunt syndrome (RHS)
- Varicella-zoster virus (VZV)