George Petrakis

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Spatial distribution and life history aspects of Pagellus bogaraveo in the eastern Ionian Sea were investigated using the data from 13 different studies carried out in the area from 1983 to 2010. The spatial patterns of the abundance, biomass and mean size showed that the species inhabits the shallow waters of the shelf (<170 m depth) as juveniles up to a(More)
In the present study, we compared the size selectivity of the 14 mm (knot-to-knot) diamond-shaped codend (14D), presently used in Hellenic waters, with those of 20 mm square-shaped (20S) and 20 mm diamond-shaped (20D) codends for four commercially important demersal species (Merluccius merluccius, Micromesistius poutassou, Trisopterus minutus capelanus and(More)
INTRODUCTION Intra-thoracic herniation of abdominal organs following diaphragmatic rupture represents an unusual clinical occurrence that poses great diagnostic difficulty. PRESENTATION OF CASE We report a rare case of delayed total hepatothorax caused by a right sided post-traumatic diaphragmatic rupture in a 67 year old male. Reduction of the liver in(More)
INTRODUCTION Wandering spleen is a rare condition characterized by ectopic position of the spleen due to the absence or laxity of peritoneal ligaments that hold the organ within the left upper quadrant. Lower abdomen and pelvis are the most common locations of the wandering spleen. The disorder usually remains asymptomatic. PRESENTATION OF CASE We present(More)
Colonic lipomas are rare nonepithelial tumors that are usually detected incidentally during surgery or colonoscopy. Although lipomas generally remain asymptomatic, when they exceed 2 cm of diameter they may cause abdominal pain, obstruction, or intussusception. Here we present a case of an elderly woman referred by her general practitioner to a general(More)
Perforation of Meckel's diverticulum by a foreign body represents an unusual and serious clinical occurrence. We present a case of a 4-year-old male who was admitted with symptoms of abdominal pain in the right iliac fossa, raising the suspicion of acute appendicitis. Exploratory laparotomy disclosed normal appendix and perforation of Meckel's diverticulum(More)
Procollagen (I) carboxyterminal propeptide (PICP) is a metabolite of procollagen, a precursor molecule of collagen type I, which accounts for more than 90% of the organic matrix of the bones. Serum PICP levels indicate the rate of bone collagen synthesis and therefore the osteoblastic activity. In this study we evaluate the clinical usefulness of serum PICP(More)
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