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Clinical Services

General X-Ray

General Radiography or plain radiography is the foundation of all diagnostic imaging using ionising radiation. This technology utilises X-rays to produce an image which is captured by an image receptor.  Plain radiographs are commonly requested by the doctor as an initial evaluation upon first consultation or as baseline screening.

Examples of some scans performed are:

Long film Imaging

X-ray imaging of either lower limbs or the entire spine for orthopaedic alignment measurements.

Specialized Orthopaedic Projections 

A group of dedicated X-ray views to aid in specific radiographic diagnosis and for problem solving. Examples of such projections include Posteroanterior fixed flexion knee, Carpal boss view of the wrist, Saltzman view of the ankle and Dunn’s view of the hip.

Defaecating Proctogram

A real time imaging of the rectum while the patient is in an optimum straining position. The investigation aids in diagnosis of pelvic floor muscle weakness.

Computed tomography (CT)

Computed tomography is an imaging modality which combines the use of x-rays and advanced computer systems to generate cross sectional images of the human body. With the systems’ dose saving applications, the amount of radiation received by a patient is tailored according to the body habitus and patient diagnosis. With the state of the art technology, it can even freeze a beating and heart to capture its images. 

We have a variety of high end CT scanners with cutting edge technological capabilities. Coupled with specially trained staff, we perform a spectrum of scans, ranging from simple scans like CT Head and multiphasic CT abdomen to more complex scans such CT triple rule-out, CT Angiography of the body as well as scans which require dual energy techniques.

We also have a dedicated 3D lab with different post processing systems to manage image post processing and reconstruction work, generating images in various planes and dimensions, to aid the radiologists during image reporting and the clinicians in planning for patient care.
  
Examples of some scans performed are:

CT Colonoscopy

Also called virtual colonoscopy (VC), this is a CT procedure which utilizes x-ray to obtain 2D and 3D interior images of the inflated large intestines and the rectum. Using carbon dioxide CO2gas for bowel inflation, it reduces abdominal discomfort for the patient so that the procedure is better tolerated. It is used to diagnose colon and bowel disorders.

CT Coronary Angiography

This is a type of imaging used to visualise the blood vessels and other structures of the heart. It is used to check for narrowing of the arteries and other heart conditions. 

CT Liver Volumetry

This is a CT procedure where the acquired liver images are used to obtain accurate measurements of the liver volume. The information acquired will be useful for liver resection and transplantation procedures.

Magnetic Resonance Imaging (MRI)

Magnetic Resonance Imaging (MRI) is a versatile medical diagnostic technique used to create thin section images of the body using a magnetic field and radio waves. It does not use X-rays and is completely non-invasive.
SGH is equipped with a fleet of high-end MRI scanners with field strengths of both 1.5 Tesla and 3 Tesla.  The specifications were chosen to ensure a wide range of examination capabilities, from simple scans like brain or spine to complex ones such as parametric dynamic prostate MRI and pre-surgical functional MRI.  The service is augmented by a 3D laboratory where complex three-dimensional and advance neuroimaging data is post-processed to enhance their diagnostic value.
  
Examples of some scans performed are:

MRI Defecography

MRI Defecography is the detailed imaging of the pelvis at various stages of defecation.  The dynamic images are then used to evaluate causes of fecal incontinence and pelvic floor disorders.

Multiparametric MRI of the Prostate

Multiparametric MRI of the prostate combines anatomical, functional, dynamic and diffusion imaging to more accurately detect and locate prostate cancers.  Where necessary, the subsequent 3D images from the MRI can be used for targeted biopsy, ensuring that samples are accurately taken from abnormal sites for analysis.

Pre-surgical Functional MRI (fMRI) of the Brain

fMRI of the brain is performed to locate the regions within the brain that control various parts of the body.  This is done by getting the patient to perform simple movement or language tasks while the scan is on-going.  The localisation of these control centres within the brain can aid in planning prior to brain surgery.

Ultrasound

Diagnostic Ultrasound is a non-ionising imaging method that uses sound waves to produce images of structures within the body. These images provide valuable information for diagnosing a variety of diseases and conditions. Our radiographers use state-of-the-art ultrasound equipment to produce high quality diagnostic images while focusing on patient safety and comfort.
  
Examples of some scans performed are:

Contrast Enhanced Ultrasound

Contrast Enhanced Ultrasound imaging is the application of specialised ultrasound imaging techniques combined with non-nephrotoxic intravenous contrast medium, to visualise targeted areas such as those in the liver, kidney and aorta. This allows for real-time evaluation of lesion vascularity and thus characterization for diagnosis. 

Elastography

Elastography is an advanced imaging technique that measures tissue stiffness. It is currently utilised in musculoskeletal and liver imaging. It can be used for the evaluation of liver fibrosis, and assessment of tendons and superficial lesions. 

Penile Doppler Ultrasound

Penile Doppler ultrasound examination offers an extremely accurate means of assessing patients with erectile dysfunction and Peyronie’s Disease. This examination objectively measures the blood flow in and out of the penis, and thus evaluates the causes of erectile dysfunction.

Breast Imaging Services

At SGH Breast Imaging, we use specialized medical imaging to aid in early detection and diagnosis for breast diseases. We assure that we have a dedicated multidisciplinary team offering the advances in digital mammography, breast tomosynthesis, breast ultrasound (with elastography and automated volume breast scanner) and other breast interventional procedures.
  
Examples of some scans performed are:

Mammography, Tomosynthesis 

Mammography is a specialised medical imaging that uses low-dose x-ray to aid in the early detection and diagnosis of breast diseases. 

Highly advanced mammography equipment with cutting-age technology is used to perform the imaging procedure. We capitalize on full-field digital mammography (FFDM) technology to generate breast images with a much lower radiation dose. We are also equipped with Computer-aided detection (CAD) systems to search and highlight on digitized mammographic images for abnormal areas of density, mass, or calcification that may indicate presence of breast diseases.

The state-of-art 3D mammography (tomosynthesis) increases breast cancer detection; decreases recall rate and aids in identifying size, shape and location of the breast abnormalities.  We also offer tomosynthesis guided vacuum assisted biopsy procedures which allow greater accuracy when targeting a lesion for biopsy within a shorter procedural time. It enables performing biopsy of a lesion best shown on tomosynthesis and not conventional mammogram. 

Contrast Enhanced Spectral Mammography (CESM)

CESM is one of the newest breast imaging procedure that combines the benefits of digital mammography with the concept of tumor angiogenesis.  This allows evaluation and characterization of breast lesions that has abnormal contrast uptake with injection of intravenous contrast.

Breast Elastography

Breast ultrasound elastography is an analytical advanced tool that utilizes either strain or shear-wave technology to quantify the tissue stiffness.  The elastography features can further characterize breast lesions and has the potential to improve the specificity and sensitivity of the lesion evaluation with conventional ultrasound.   

MRI Guided Breast Biopsy

Breast biopsy is a procedure to remove tissue from suspicious region within the breast for analysis.  A specially trained radiologist can perform this procedure under guidance of MRI.  This makes the procedure minimally invasive and ensures that the sample is accurately taken from the suspicious area.