The diagnosis of skin lesions involving the eyes can be challenging, especially when uncommon etiologies are considered. We present a case of a 52-year-old female initially diagnosed with blepharoconjunctivitis but later found to have a subcutaneous heartworm infection. The patient experienced recurrent episodes of unilateral palpebral edema, pain, pruritus, and a sensation of a foreign body in her eye. Upon examination, a vermiform structure with peristaltic movements was observed, raising suspicion of subcutaneous dirofilariasis and prompting further investigations. Serological tests confirmed the presence of anti-Dirofilaria spp. antibodies. Surgical removal of the worm led to the resolution of symptoms. This case highlights the importance of considering uncommon etiologies, such as subcutaneous heartworm infection, in patients presenting with atypical migratory skin lesions or ocular manifestations when there is no definite diagnosis and the condition does not respond to usual medical treatment.

Pemphigus foliaceus (PF) is an autoimmune blistering disorder which affects the superficial layers of the epidermis with rare mucosal involvement. We present the case of a 12-year-old girl with PF involving the eyes and eyelids. A literature review of pediatric nonendemic PF revealed another two cases with ocular manifestations. Eyelid involvement is an uncommon feature of PF that should be properly identified and treated.

BACKGROUND: Mycosis fungoides (MF) is a form of lymphoma derived from heterogeneous T cells, and eyelid involvement is extremely rare. The common methods to treat eyelid involvement are radiotherapy and chemotherapy, but their efficacies are limited. Herein, we report a case of advanced-stage MF eyelid involvement, propose ultrasound (US)-guided microwave ablation (MWA) therapy and present a literature review.
METHODS: A male patient was admitted to our hospital in June 2018 and diagnosed with MF via radiological and histopathological examinations. The patient\'s condition was not well controlled by various conventional chemotherapies. US-guided MWA was performed to relieve the patient\'s symptoms and improve his quality of life, showing satisfactory efficacy.
CONCLUSIONS: Eyelid involvement is one of the most troublesome clinical problems for advanced-stage MF patients. This is the first report on the use of US-guided MWA as a palliative therapy for MF eyelid involvement; the treatment successfully relieved the patient\'s clinical symptoms and reduced his anxiety behaviours. Our study sheds new light on methods for improving the clinical management of eyelid involvement in MF.

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