The change of land use/land cover has been known as an imperative force in environmental alteration, especially in arid and semi-arid areas. This research was mainly aimed to assess the validity of two major types of land change modeling techniques via a three dimensional approach in Birjand urban watershed located in an arid climatic region of Iran. Thus, a Markovian approach based on two suit...

A 17-year-old female presented with dyspnea, chest pain, and a very large cyst occupying the entire right hemithorax Figure 1(A, B). The patient is under full cyst extending to membrane Figure 2 (A, B).

CLINICAL PRESENTATION A 16 year old girl was referred to dermatology clinic with bilateral blue gray hyperpigmented patches on her cheeks since birth. Upon close physical examination, scleral blue-gray hyperpigmentation was observed in both her eyes (Figure 1). She also had a blanchable red patch with poorly defined borders on her right cheek (Figure 2). Ophthalmology consultation further revea...

A 25-year-old man was admitted in hospital due to right side hemopneumothorax secondary to car accident. A chest tube was inserted. During the hospitalization days, chest CT scan revealed a 3cmx3 cm oval-shaped density located in the right upper lobe. Since he was in a good general condition, he was discharged from hospital after removal of chest tube and a follow-up chest CT-scan was recommend...

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