Annular Eroded Plaque With Honey-Colored Crusting On Scrotum
A man in his 40s presented with a dry erythematous, annular plaque with focal erosion and a collarette of desquamative, honey-colored crusting on the scrotum. What is your diagnosis?
JAMA Dermatology
Pili Annulati
This case report describes a teenage girl with glistening hair and was found to have alternating dark and light bands within the hair shafts on trichoscopic evaluation.
Periarticular Cutaneous Nodules and Symmetric Polyarthralgia With an Insidious Onset
A man in his early 50s presented to autoimmune dermatology clinic for 3 years of periarticular nodules on his fingers that were painful with manipulation or minor trauma and symmetric polyarthralgia. What is your diagnosis?
Palmar Fasciitis and Polyarthritis Syndrome
This case report describes a man in his 50s with palmar fasciitis and polyarthritis syndrome.
Necrotic Plaque in a Patient With Malignant Hematologic Disease
A man in his 70s with myelodysplastic syndrome presented with a painful violaceous eruption on his left lower leg accompanied by low-grade fever and fatigue for 1 week. What is your diagnosis?
Bullous Arthropod Reaction Secondary to Ctenocephalides felis
This case report describes a woman in her 40s who presented for evaluation of pruritic skin lesions on her chest and all 4 extremities that had developed over several days.
Tuberculous Mastitis
This case report describes induration of the right breast with multiple painful ulcers, draining nodules, and fistulae.
Solitary Acute Necrotic Scrotal Ulcer in a Young Patient
A healthy young male patient was referred to the department of dermatology for evaluation of a solitary painful scrotal ulceration that developed rapidly 48 hours before consultation. What is your diagnosis?
Sodium-Dependent Multivitamin Transporter Deficiency
This case report describes a 3-year-old girl who presented with progressive pruritic, palmoplantar plaques, and periorifical exudative erythema who experienced hair loss, recurrent episodes of pneumonia, and transient thrombocytopenia.
Standardizing Retrospective Observational Research in Cutaneous Squamous Cell Carcinoma – Expert Panel Guidelines from ITSCC
Importance Cutaneous squamous cell carcinoma (CSCC) is the second most common malignant disease in the US. Although it typically carries a good prognosis, a subset of CSCCs are highly aggressive, carrying regional and distant metastatic potential. Due to its high incidence,…
