Title pageTitle: Rust-colored patches of the lower extremity in a COVID-19 patientAuthrors: Jacem Rouatbi1, Mouna Korbi1*, Nouha Ben Abdeljalil2, Hichem Belhadjali1*, Jameleddine Zili1*

We report an atypical presentation of a current disease to highlight the importance of making a correct diagnosis of scabies surrepticius in front of any itchy dermatosis especially in elderly patients. The misdiagnosis of this disease results in extensive infestation, especially with the use of corticosteroids.

Recurrent post-tonsillitis erythema annulare centrifugum is a recently described entity in two adults with recurrent annular lesions and centrifugal evolution following tonsillitis. We present two cases of recurrent post-tonsillitis erythema annulare centrifugum in children.

Granuloma annulare (GA) is a benign skin granulomatous, with, usually, unknown cause. Few challenging cases of GA have been reported in the literature mimicking sarcoidosis. We describe a rare clinical presentation of GA mimicking cutaneous sarcoidosis.

Granuloma annulare is a benign inflammatory skin disease. Here, we report an atypical clinical presentation of localized GA associated with cysts and open comedones in a 85-year-old woman.

Since its outbreak in December 2019, a consistent number of case reports have been published describing a complex spectrum of skin manifestations associated with COVID-19. We report a first observation of demodicidosis of the scalp after a severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) infection.

Urachal cyst is a rare congenital disorder due to a defect in the obliteration of the urachal duct, usually diagnosed in the first months of life. We report a case of urachal cyst revealed by a Pyogenic granuloma in an adult patient.