Rare but rich pickings

Trichoepithelioma: A Rare but Crucial Dermatologic Issue

BACKGROUND Trichoepithelioma is a rare benign skin lesion that originates from hair follicles. Trichoepitheliomas are mostly seen in the scalp, nose, forehead, and upper lip. METHODS We present a large family of Iranian origin with 15 individuals affected with multiple familial trichoepithelioma in four generations, and treated with three different methods. RESULTS Trichoepithelioma is his...

Rich Pickings Near Large Communal Roosts Favor ‘Gang’ Foraging by Juvenile Common Ravens, Corvus corax

Ravens (Corvus corax) feed primarily on rich but ephemeral carcasses of large animals, which are usually defended by territorial pairs of adults. Non-breeding juveniles forage socially and aggregate in communal winter roosts, and these appear to function as 'information centers' regarding the location of the rare food bonanzas: individuals search independently of one another and pool their effo...

trichoepithelioma: a rare but crucial dermatologic issue

background trichoepithelioma is a rare benign skin lesion that originates from hair follicles. trichoepitheliomas are mostly seen in the scalp, nose, forehead, and upper lip. methods we present a large family of iranian origin with 15 individuals affected with multiple familial trichoepithelioma in four generations, and treated with three different methods. results trichoepithelioma is histolog...

Tracheal Agenesis: Rare but Challenging

Our patient was a baby boy born term by normal vaginal delivery, without any apparent external abnormality (Weight: 3Kg; Height: 50 cm; Head circumference: 35.5cm), to a 27 year old mother G2 P1, non consanguineous parents, pregnancy complicated by polyhydramnios, with an APGAR score of 0 and 8 at 1 and 5 minutes respectively. He was intubated and ventilated (difficult intubation). However, he ...

Rare but Relevant Kidney Disorders