Winners

  1. Dr. Revathi G.
  2. Dr. Harshini
  3. Dr. Archana Tolani

SPOTTERS ANSWERS: 27 Jun 2021

  1. Pericardial abscess
  2. Right atrium
  3. Pulmonary thromboembolism
  4. Left subclavian artery
  5. Great cardiac vein
  6. Aortic pseudoaneurysm
  7. Congenital diaphragmatic hernia
  8. Polyarteritis nodosa
  9. Popliteal entrapment syndrome
  10. Pulmonary artery sling
  11. Complete absence of pericardium
  12. Replaced right hepatic artery
  13. Fibromuscular dysplasia
  14. Pulmonary capillary hemangiomatosis
  15. Situs inversus totalis
  16. Cardiac and pulmonary hydatid
  17. Pericardial lipoma
  18. Subcutaneous emphysema, Pneumomediastinum
  19. Right pulmonary agenesis
  20. Artery of Adamkiewicz
  21. Perivalvular abscess
  22. Ebstein anomaly
  23. IVC filter with penetrating struts
  24. Type A Intramural hematoma
  25. ALCAPA
  26. Persistent truncus arteriosus Type I
  27. Calcific pericarditis
  28. Mitral stenosis with giant left atrium
  29. Median arcuate ligament syndrome
  30. Takayasu arteritis

Msk Spotter Answers: 26/06/21

1:Clay-Shoveler’s Fracture

2:DiaphysealAclasis/Hereditary Multiple Exostoses

3:Spina Ventosa

4: Achondroplasia

5: CongenitalSyphilis

6:Blounts Disease

7:Ganglion Cyst OfAcl

8: Spinal Cord Ischemia

9: Fibrous Dysplasia

10: Eosinophilic Granuloma

11: Spinal Hydatid

12: Osteopetrosis

13: Nodular Fasciitis

14:Cam Type Fai with Osteoarthritis

15: Osteosarcoma Recurrence with Lung Metastasis

16: Lipomyelomeningocele

17: Bifid Median Nerve

18: Osteochondral Lesion Of Talus

19: Peroneus Quartus Muscle

20: Bucket-Handle Meniscal Tear

21: Proximal Biceps Brachii Tendon Rupture

22: Sternalis Muscle

23:Maduramycosis

24: Carrot-Stick Fracture- Seen in Fused Spines Like Ankylosing Spondylitis, Dish, Opll

25: Proximal Focal Femoral Deficiency

26: Dermatomyositis

27: Juvenile Idiopathic Arthritis

28: Pigmented Villonodular Synovitis

29: Chronic Recurrent Multifocal Osteomyelitis

30: Salter–Harris Type II  ,Epiphyseal Separation of The Middle Phalanx Of The

Ring Finger

 

 

ANSWERS : 19-06-2021

  1. Zuckerkandlfascia
  2. Iliacus muscle
  3. Seminal vesicles
  4. Fluid in anterior pararenal space
  5. Quadratuslumborum muscle
  6. Ectopic pelvic kidney
  7. Horse shoe kidney
  8. Super nummary kidneys
  9. Duplication of ureters
  10. Dilation of Extra renal pelvis
  11. Sinus tarsi with contents – Blood vessels, fat, medical talocalcanealinterosseus ligament
  12. Deltoid ligament
  13. Accessory soleus muscle
  14. Tibialis posterior
  15. Posterior Talofibular ligament
  16. Peroneal artery
  17. Right ileocolic artery
  18. Internal mammary artery
  19. Inferior mesenteric artery
  20. Aberrant right subclavian artery

RADIOLOGY QUIZ ANSWERS DAY 4 (13/06/2021)

  1. Left upper lobe collapse

Luftsichel sign

Cause – Hyperinflation of superior segment of left lower lobe interposing between mediastinum and collapsed left upper lobe

  1. Azygous fissure, normal anatomical variant
  2. Cecal volvulus
  3. Miliary opacities

Differentials – miliary tuberculosis, miliary metastases from Ca thyroid

  1. Neuroendocrine tumor in uncinate process of pancreas
  2. Pneumatosis intestinalis, inform the pediatric surgeon / surgeon on duty – reporting of critical events
  3. COVID pneumonia
  4. Twiddler syndrome
  5. Duodenal diverticulum, A – jejunum, B – ileum
  6. Acute on chronic calcific pancreatitis

Signs – sentinel loop sign, colon cut off sign

  1. Right aortic arch
  2. Carney triad:

Extra-adrenal paraganglioma 

Gastric gastrointestinal stromal tumors (GIST)

Pulmonary chondroma (hamartoma)

  1. Irregular filling defect in gastric bubble (this was a proven case of carcinoma stomach)

Plan further imaging evaluation – barium meal/ CECT after discussing with referring physician.

  1. Splenic infarct
  2. Achalasia cardia
  3. Lytic rib lesions with soft tissue component – metastases, myeloma, brown tumor
  4. Pseudomembranous colitis

Accordion sign

  1. Diaphragmatic hernia
  2. Gastric bezoar
  3. Lady Windermere syndrome, pulmonary Mycobacterium avium complex (MAC) infection
  4. Hypodense splenic lesion, conglomerate retroperitoneal lymph nodes (retrocaval, para aortic, aortocaval), mesenteric lymphnodes

Diagnosis – Lymphoma, D/D –  tuberculosis

  1. Carcinoma lung with Hypertrophic osteoarthropathy (HOA), paraneoplastic syndrome
  2. Descending thoracic aorta aneurysm with eccentric thrombus, Stanford type B, De Bakey type III. (Both the Stanford and DeBakey systems can be used to describe all forms of acute aortic syndrome – dissection, aneursym, penetrating atherosclerotic ulcer and intramural hematoma).
  3. Mucocele of appendix, onion skin sign
  4. Birt-Hogg-Dubé syndrome, cutaneous lesions (angiofibromas, perifollicular fibromas, acrochordons, fibrofolliculomas, etc.)

RADIOLOGY QUIZ ANSWERS DAY 3 (12/06/2021)

  1. Infrahyoid left posterior cervical space

Lymphatic malformation

  1. Solid

Isoechoic/ hyperechoic

  1. A – comet tail, 0 points

B – punctate, 3 points

  1. Thyroid lipomatosis

High iodine content

  1. Lingual thyroid

Hyperattenuating on plain CT

  1. Infantile hemangioma

Asymmetric narrowing in hemangioma vs symmetric narrowing in croup

  1. A – masseter, B – medial pterygoid muscle

Benign masticator muscle hypertrophy

  1. Unilateral vocal cord palsy, left side
  2. A – pyriform sinus, B – aryepiglottic folds
  3. Carotid body tumor, external carotid artery
  4. Obstructive left submandibular duct calculus
  5. Right laryngocele

Types – internal (simple), external, mixed

  1. Sublingual dermoid cyst

Sack of marbles sign/ marbles in a bag sign

  1. Ranula

Secondary infection

  1. Right parapharyngeal space

Branchial cyst (second)

  1. Retropharyngeal abscess
  2. Lymphangioma, lymphoma
  3. Submandibular abscess
  4. Sialogram, stensons duct, 2 ml
  5. Thyroglossal duct cyst
  6. Calcified lymph node, NF
  7. Lingual thyroid
  8. Foreign body
  9. Prevertebral space lymph node
  10. Web
  11. Cricopharyngeal spasm
  12. Ca nasopharynx
  13. Ca tongue
  14. Tongue duplication cyst
  15. Hyoglossus, genioglossus, styloglossus, palatoglossus, intrinsic muscles

Vallecula

RADIOLOGY QUIZ ANSWERS DAY 2 (06/06/2021)

1.

  1. Concha bullosa, Bilateral horizontal orientation of uncinate process
  2. Bilateral enlarged bulla ethmoidalis
  3. Deviation of nasal septum to left with bony spur
  4. Frontal mucocele with intracranial extension
  5. Ameloblastoma , destruction of alveolar process of maxilla with soft tissue component.
  6. Invasive fungal sinusitis
  7. Megacisterna magna

5/7.*  Superior cerebellar arachnoid cyst

  1. Bilateral arachnoid cysts

6/4.*  Frontal sinus osteoma.

  1. /6.*
  2. Lamina terminalis cistern
  3. Ambient cistern
  4. Quadrigeminal cistern

 

  1. /7.*Diagnosis – Venous infarcts
  2. T sign, superior frontal sulcus
  3. Central sulcus
  4. Post central sulcus
  5. /8.*Mucormycosis
  6. Maxillary and ethmoid sinusitis with frontal abscess
  7. SAH, ACOM rupture
  8. Dandy walker malformation
  9. Submento vertical view – foramen spinosum and foramina transversarium
  10. Waters view – lesser wing of sphenoid and anterior ethmoid air cell
  11. Lhermitte Duclos disease
  12. Neurofibromatosis II – vestibular schwannoma, meningioma, spinal neurofibromas
  13. Artery of percheron infarct
  14. Corpus callosal splenium infarct
  15. Corpus callosal lipoma – bracket sign
  16. Corpus callosal agenesis, SDH, Viking helmet sign
  17. Arnold chiari malformation
  18. Hydrocephalus
  19. Interdigitated interhemispheric fissure
  20. Scalloping of petrous and body of basisphenoid
  21. Pagets – cotton wool appearance of skull, basilar invagination- platybasia
  22. Hydrocephalus – aqueductal stenosis
  23. Leptomeningeal metastases
  24. Right trigeminal schwannoma

* alternate question number as displayed on slide (slide numbering error)

Quiz Answers (05/06/2021)

  1. Townes view
  2. Coronal suture
  3. Lambdoid suture

iii.  Petrous bone

  1. Styloid process
  2. Lateral view
  3. External acoustic meatus
  4. Planum sphenoidale
  5. Rhese view
  6. Optic foramen
  7. Stenvers view
  8. Petrous bone
  9. Carotid canal
  10. Perorbital view
  11. Greater wing of sphenoid
  12. Lamina papyracea
  13. Widened sella with destruction of posterior clinoid
  14. Polyostotic Fibrous Dysplasia
  15. J shaped sella, persistent hypophyseal canal
  16. Knosp classification, grading 4 or 3b, 17 mm
  17. Bright spot
  18. Enplaque meningioma
  19. Cavernous sinus thrombosis
  20. Figure of 8, sellar
  21. Tramtrack appearance, optic nerve sheath meningioma
  22. Black eyebrow sign, tear drop sigh, orbital blow out fracture
  23. Chronic otomastoiditis
  24. Bare orbit
  25. Hyrtl’s fissure
  26. CSF otorrhea, Tegmen tympani dysplasia
  27. Metastases – petrous apex, basisphenoid
  28. Pituitary macroadenoma/ aneurysm
  29. Rathkes cleft cyst
  30. Cavernous sinus meningioma
  31. Microtia
  32. Cochlear implants