causing a granulomatous cardiomediastinal mass.

Non-tuberculous mycobacterial species are uncommon human pathogens. They are divided into slow and rapid growing mycobacteria (RGM) with group as an uncommon pathogen among the RGM. A 19 years old male presented with a 1 month history of dyspnea, orthopnea, unintentional weight loss, palpitation, flu-like symptoms and dry cough.

Prevalence and characteristics of abnormal Papanicolaou smear in Central Saudi Arabia.

Objectives: To assess the prevalence and characteristics of abnormal pap smear in the central region of Saudi Arabia.

Methods: In this retrospective case control study conducted in the Departments of Obstetrics and Gynecology, and Histopathology at King Abdulaziz Medical City, Riyadh, Kingdom of Saudi Arabia, all pap smears screened for Saudi women between 2008 and 2011 were reviewed. Approximately 5000 pap smears are screened annually at King Abdulaziz Medical City utilizing the Bethesda III System (2001).

Sinus histiocytosis with massive lymphadenopathy (Rosai-Dorfman's Disease) as cause of isolated hilar lymphadenopathy and complete remission after high dose steroid.

Rosai-Dorfman's Disease, also known as sinus histiocytosis with massive lymphadenopathy (SHML), is a rare histiocytic proliferative disorder and a distinct clinico-pathological feature of unknown origin. Painless cervical lymphadenopathy is the most common clinical presentation. Different treatment modalities have been tried with variable responses, however, there is no consensus on the best modality of treatment.