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Abstrak :
Fetus in fetu (FIF) adalah kelainan kongenital yang jarang ditemukan, muncul 1 dari 500 000 kelahiran dengan perbandingan laki-laki lebh banyak 2:1. Lebih dari 80 kasus telah dilaporkan dalam literatur dengan lokasi yang bervariasi mulai dari retroperitoneal dan intraperitoneal yang tersering sampai ke intracranial, intraoral dan intrascrotal. Tanda penting FIF yang dapat ditemukan secara radiologis adalah ditemukannya massa kistik jaringan lunak dengan komponen padat di dalamnya yang berbentuk seperti fetus dan memiliki organ-organ dengan diferensiasi yang tinggi antara lain seperti ditemukannya vertebra, tulang panjang, kranium, usus, ekstremitas, jari-jari, dll. Secara radiologis FIF penting untuk dibedakan dengan Teratoma karena kemungkinan untuk terjadinya keganasan lebih tinggi dan operasi eksisi massa perlu dilakukan secepatnya pada teratoma.

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Abstract
Fetus in fetu (FIF) is a rare congenital anomaly, appear 1 in 500 000 births, with male to female ratio of 2:1. More than 80 cases have been reported in the literature with varied locations ranging from the most common retroperitoneal and intraperitoneal to intracranial, intraoral and intrascrotal. Essential signs that can be found in the FIF is a large cystic mass with a complex solid component inside with a fetusform and have organs with high differentiation such as the the vertebrae, long bones, skull, intestine, limb, fingers, etc. It is radiologicaly important to distinguish FIF with teratoma because of the possibility for the occurrence of malignancy and mass excision surgery should be done as early as possible for teratomas.

Abstrak :
Computed tomography (CT) is a powerful technique providing precise and confident diagnoses. The burgeoning use of CT has resulted in an exponential increase in collective radiation dose to the population. Despite investigations supporting the use of lower radiation doses, surveys highlight the lack of proper understanding of CT parameters that affect radiation dose. Dynamic advances in CT technology also make it important to explain the latest dose-saving strategies in an easy-to-comprehend manner. This book aims to review all aspects of the radiation dose from CT and to provide simple rules and tricks for radiologists and radiographers that will assist in the appropriate use of CT technique. The second edition includes a number of new chapters on the most up-to-date strategies and technologies for radiation dose reduction while updating the outstanding contents of the first edition. Vendor perspectives are included, and an online image gallery will also be available to readers.

Abstrak :
This book provides a lucid summary of modern multislice CT imaging of the abdomen, with a focus on the essential imaging findings. After a concise technical introduction, the most important abdominal diseases are described and illustrated with high-quality images. Sections are devoted to the liver and biliary system, the pancreas and spleen, the kidneys and urogenital system, and the bowel and peritoneal cavity. Throughout, key differential diagnostic features are highlighted. The editorial team is composed of internationally renowned radiologists from Europe and the United States, and all chapters have been written by recognized experts in the topic under consideration. Multislice CT of the Abdomen will serve as an excellent reference for radiologists participating in further professional training and will prove an ideal source of information for all who wish to deepen their personal knowledge of the subject.