Understanding of the Boutonniere and Swan neck deformity requires clear concept of the finger extensor apparatus, which has been discussed here. The extrinsic extensor tendons trifurcate giving a central slip which attaches to the middle phalanx base and two lateral slips which join with lateral band (formed by intrinsic muscles…
Author: Dr. Sulabh Kumar Shrestha, MS Orthopedics

Juvenile Idiopathic Arthritis (JIA) : Mnemonic Approach
Synonym: Juvenile Rheumatoid Arthritis (JIA) Diagnosis of JIA Mnemonic: One Six Sixteen (1, 6, 16) 1: Inflammation of atleast 1 joint (joint involvement: knee > wrist/hand > ankle > hip > c-spine) 6: Lasting for atleast 6 weeks 16: Onset before 16 years age In order to confirm the diagnosis,…

Singh Index for Osteoporosis – Simplified
Pattern of bone loss in Osteoporosis Trabecular bone responds faster to metabolic changes due to greater surface are compared to cortical bone. Non-weight bearing (secondary trabeculae) are lost first. Weight bearing (primary trabeculae) may appear prominent due to loss of other trabeculae and may also become thickened due to compensatory…

Achondroplasia Mnemonic
A: Autosomal dominant C: “Champange glass” pelvis in X-rays H: Hypotonia O: Ossification affected (Enchondral > Appositional) N: Nasal bridge small D: Disproportionate Dwarfism R: Rhizomelic (proximal i.e. humerus and femur shortening) O: Out knees (varus deformity) P: Proliferative zone quantitative defect L: Little phalanx (brachydactyly) and metacarpals with Leister…

Approach to Thoracic and Lumbar Spine X-ray
Views Standard: Supine AP and Latero-lateral (LL) views – thoracic or lumbar Thoracic: Lateral (Fulcrum) bending views: to determine the flexibility of curves in scoliosis Lumbar: De Seze view (Lumbopelvic view): Standing AP and LL – shows T11 to head of femur Dynamic lateral (flexion-extension) views: for instability Oblique views…

Thoracolumbar Metastases Management : Mnemonic Approach
The primary malignancies that commonly metastasize to the spine can be recalled using the mnemonic: PB KTL (or “Lead Kettle”. Prostate Breast Kidney Thyroid Lungs In women, 80% metastases are from lung and breast and in men, 80% are from lung and prostate. LMNOP approach A. Location/Level 80% involve well-vascularized…

Is Fever a contraindication for Blood transfusion?
In medical schools, we learn many things without knowing the actual reason behind it. One of them is the pre-transfusion fever in a patient being planned for blood transfusion which is considered as a contraindication for it in many departments and health centers. So, the questions that came into my…

L-PRF for Chronic Wounds
L-PRF (Leukocyte-platelet rich fibrin) is a second generation platelet reach concentrate where autologous platelets and leukocytes are present in a 3D fibrin mesh which is used as a scaffold by surrounding host cells and which slowly releases growth factors and glycoproteins (≥ 7 days). It is processed without the anticoagulant,…