Reactive Lobular Panniculitis in the Setting of Mpox (Monkeypox) Infection.

Mpox, previously referred to as monkeypox, was recently deemed a public health emergency in 2022. Our understanding of potential secondary cutaneous manifestations in the setting of this infection is still evolving. We report a rare case of a man who presented with erythematous, painful subcutaneous nodules on his extremities in the setting of recent mpox infection.

Fungal Viridionychia: Onychomycosis-Induced Chloronychia Caused by Candida parapsilosis-Associated Green Nail Discoloration.

Green nail syndrome is a form of chromonychia, discoloration of the nail plate, that describes fingernails or toenails that are green in appearance. Bacterial-associated green nail syndrome, referred to as chloronychia, is most common; however, fungal and polymicrobial etiologies have been reported. Two 70-year-old women presented with green discoloration of their nails for over five months; both women had prior unsuccessful treatments and were referred for further evaluation and treatment.

Parrot Beak Nail: Case Report and Review of Parrot Beak Nail Dystrophy.

Parrot beak nail dystrophy is an excessive forward curvature of the nail plate that can affect both fingernails and toenails. Few cases have been reported since its original description in 1971; however, the incidence is estimated to be 2.5% in healthy individuals.

Basal Cell Carcinoma With Calcification: Case Report of Calcifying Basal Cell Carcinoma and Review of Calcinosis Cutis Associated With Basal Cell Carcinoma.

Basal cell carcinoma is the most common cutaneous neoplasm. Calcinosis cutis is the deposition of calcium within the dermis. An 80-year-old man presented with a pearly nodule on his left nasal ala; a shave biopsy confirmed the diagnosis of a nodular basal cell carcinoma with calcinosis cutis, which was removed with Mohs micrographic surgery.

Methyl Ethyl Ketone-Related Loss of Matrix With Nail Onycholysis and Pterygium (ME KLMNOP): Case Report of a New Etiology for Onycholysis and Pterygium.

Methyl ethyl ketone is an organic solvent commonly used in adhesives and paints. Overexposure to methyl ethyl ketone can irritate the central nervous system, eyes, and respiratory system. When in direct contact with skin, methyl ethyl ketone can lead to dryness and cracking of the skin.

Erythrasma Revisited: Diagnosis, Differential Diagnoses, and Comprehensive Review of Treatment.

Erythrasma is a bacterial infection of the skin typically caused by Corynebacterium minutissimum. This pathogen infects the stratum corneum in warm and wet areas of the skin. Most commonly, the axillary, inguinal, and interdigital regions are affected.

Incipient Diabetes Mellitus and Nascent Thyroid Disease Presenting as Beard Alopecia Areata: Case Report and Treatment Review of Alopecia Areata of the Beard.

Alopecia areata is a non-scarring hair loss that commonly presents on the scalp. In men, when this condition results in facial hair loss on the cheek, jaw, and neck, it is referred to as beard alopecia areata. Beard alopecia areata can be associated with autoimmune conditions, such as diabetes mellitus, thyroid disorders, and vitiligo.

Systemic Lupus Erythematosus Presenting as Alopecia Areata.

Alopecia areata is an inflammatory, non-scarring hair loss associated with autoimmune conditions. It is more commonly seen with thyroid disorders and vitiligo, but alopecia areata has also been linked to diabetes, psoriasis, rheumatoid arthritis, and systemic lupus erythematosus. Indeed, individuals with alopecia areata have an increased risk of developing systemic lupus erythematosus.

Atorvastatin-induced Lichenoid Drug Eruption: A Case Report and Review of Statin-associated Cutaneous Adverse Events.

Statin medications [3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase inhibitors] are generally used to treat hypercholesterolemia. Lichenoid drug eruptions are a potential cutaneous side effect of medications including antibiotics, antimalarials, and statins. This drug eruption can mimic features of idiopathic lichen planus in clinical presentation and pathology.