Mohammad Taghi Niknejad on Radiopaedia.org

Mohammad Taghi Niknejad

Specialist in Radiology and Diagnostic Imaging; Breast imaging fellowship
1,099 results found
Case

7up, Coke down - mnemonic

 Diagnosis not applicable
Dr Mohammad Taghi Niknejad
Published 18 Jan 2013
35% complete
Diagram
Case

Abdominal aortic aneurysm

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 14 Oct 2020
74% complete
CT
Case

Abdominal aortic aneurysm

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 14 Dec 2012
74% complete
CT
Case

Abdominal aortic aneurysm

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 14 Dec 2020
89% complete
CT
Case

Abdominal lymphoma with sandwich sign

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 25 Nov 2020
92% complete
CT
Case

Abdominal multiorgan trauma

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 19 Feb 2013
74% complete
CT
Case

Aberrant right subclavian artery

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 21 Feb 2021
89% complete
CT
Case

Aberrant right subclavian artery

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 21 Jun 2018
92% complete
CT
Case

Aberrant right subclavian artery

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 28 Feb 2021
89% complete
CT
Case

Aberrant right subclavian artery

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 28 Aug 2018
92% complete
CT
Case

Absent thumb

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 23 Jun 2018
66% complete
X-ray
Case

Achalasia

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 30 Jan 2021
72% complete
Barium
Case

Achalasia

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 28 Feb 2021
72% complete
Barium
Case

Achalasia

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 13 Jun 2018
85% complete
Barium
Case

Achalasia

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 15 Aug 2018
82% complete
Barium
Case

Achalasia

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 17 Feb 2021
72% complete
Barium
Case

Achalasia

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 20 May 2018
88% complete
Fluoroscopy
Case

Achalasia

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 27 Jun 2018
75% complete
Barium
Case

Achalasia

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 04 May 2021
88% complete
Barium
Case

Achalasia

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 15 Jun 2018
91% complete
Barium
Case

Achalasia

 Diagnosis possible
Dr Mohammad Taghi Niknejad
Published 23 Jun 2013
60% complete
X-rayBarium
Case

Achalasia simulating mediastinal mass

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 24 Jun 2013
60% complete
X-rayAnnotated imageBarium
Case

Achalasia (timed esophagogram)

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 06 Jul 2018
91% complete
Barium
Case

Achondroplasia (pelvis)

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 30 Jun 2018
91% complete
X-ray
Case

Acoustic schwannoma - trumpeted internal acoustic meatus sign

 Diagnosis probable
Dr Mohammad Taghi Niknejad
Published 22 Sep 2018
68% complete
MRI
Case

Acquired adrenal hyperplasia - due to thymic carcinoid tumor

 Diagnosis probable
Dr Mohammad Taghi Niknejad
Published 13 Jan 2013
71% complete
CT
Case

Active crohn disease

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 24 Feb 2021
77% complete
CT
Case

Acute appendicitis

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 15 Dec 2020
92% complete
CT
Case

Acute appendicitis with appendicoliths

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 06 Jan 2013
83% complete
CT
Case

Acute calcular cholecystitis

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 15 Feb 2021
77% complete
MRI
Case

Acute invasive fungal sinusitis with orbital involvement

 Diagnosis probable
Dr Mohammad Taghi Niknejad
Published 17 Dec 2012
71% complete
CT
Case

Acute pancreatitis

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 15 May 2021
89% complete
CT
Case

Acute pancreatitis

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 17 Dec 2020
74% complete
CT
Case

Acute pancreatitis

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 26 Dec 2020
89% complete
CT
Case

Acute pancreatitis

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 14 Dec 2012
89% complete
CT
Case

Adrenal cortical carcinoma

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 08 Dec 2020
89% complete
CT
Case

Adrenal hemorrhage

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 24 Aug 2018
77% complete
CT
Case

Adrenal myelolipoma

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 04 Oct 2020
74% complete
CT
Case

Adrenal myelolipoma

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 22 Nov 2020
77% complete
CT
Case

Adrenal myelolipoma

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 22 Nov 2020
77% complete
CT
Case

Adrenal myelolipoma

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 16 Mar 2021
77% complete
CT
Case

Adrenal myelolipoma

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 19 Oct 2020
80% complete
CT
Case

Air bronchogram in pneumonia

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 08 Jan 2021
77% complete
CT
Case

Ameloblastoma

 Diagnosis probable
Dr Mohammad Taghi Niknejad
Published 10 Nov 2018
65% complete
CT
Case

Ampullary adenocarcinoma

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 21 Jan 2021
92% complete
CT
Case

Ankylosing spondylitis

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 15 May 2021
91% complete
X-ray
Case

Ankylosing spondylitis

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 12 Jan 2013
71% complete
CT
Case

Ankylosing spondylitis with bamboo spine and dagger sign

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 18 Feb 2013
75% complete
X-ray
Case

Ankylosing spondylitis with dagger sign

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 24 Jun 2017
91% complete
X-ray
Case

Ankylosing spondylitis with dagger sign

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 26 Jun 2018
75% complete
X-ray
Case

Antrochoanal polyp

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 01 Dec 2014
74% complete
CT
Case

Aortic aneurysm and Lemmel syndrome

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 03 Feb 2021
92% complete
CT
Case

Aortic dissection - Stanford type A

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 10 Dec 2012
86% complete
CT
Case

Apophysis of the proximal 5th metatarsal

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 01 Mar 2021
91% complete
X-ray
Case

Apophysis of the proximal 5th metatarsal

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 16 Nov 2018
91% complete
X-ray
Case

Apophysis of the proximal 5th metatarsal

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 23 Jun 2017
91% complete
X-ray
Case

Apophysis of the proximal 5th metatarsal

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 13 Sep 2018
91% complete
X-ray
Case

Apophysis of the proximal 5th metatarsal

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 16 Aug 2018
91% complete
X-ray
Case

Apophysis of the proximal 5th metatarsal

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 02 Aug 2018
91% complete
X-ray
Case

Apophysis of the proximal 5th metatarsal

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 13 Jul 2018
91% complete
X-ray
Case

Appendiceal mucocele

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 11 Oct 2020
83% complete
CT
Case

Appendiceal mucocele

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 19 Oct 2020
77% complete
CT
Case

Appendiceal mucocele

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 17 Oct 2020
74% complete
CT
Case

Appendiceal mucocele

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 31 Jan 2021
74% complete
CT
Case

Appendiceal mucocoele due to adjacent cecal tumor

 Diagnosis probable
Dr Mohammad Taghi Niknejad
Published 21 Nov 2012
65% complete
CT
Case

Appendicular abscess

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 27 Dec 2020
89% complete
CT
Case

Apple-core appearance of the colon

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 01 Mar 2013
66% complete
Diagram
Case

Apple core sign (colon)

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 19 Jan 2021
92% complete
CTBarium
Case

Arachnoid cyst

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 10 Jul 2018
92% complete
CT
Case

Arcuate uterus

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 28 Feb 2021
91% complete
Fluoroscopy
Case

Ascending colon cancer

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 09 Mar 2021
77% complete
CT
Case

Atypical 2nd branchial cleft cyst (type IV) - infected

 Diagnosis probable
Dr Mohammad Taghi Niknejad
Published 26 Dec 2012
68% complete
CT
Case

Autoimmune pancreatitis

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 09 Dec 2020
74% complete
CT
Case

Autosomal dominant polycystic kidney disease

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 03 Apr 2021
89% complete
CTMRI
Case

Autosomal dominant polycystic kidney disease with hepatic involvement

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 09 Dec 2014
92% complete
CT
Case

Avascular necrosis (bilateral hip joints)

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 06 Jul 2018
91% complete
X-ray
Case

Avascular necrosis of the hip joint

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 29 Aug 2018
88% complete
X-ray
Case

Avascular necrosis of the hip joint

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 18 Jul 2018
72% complete
X-ray
Case

Avascular necrosis of the hip joint - chronic

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 17 Sep 2018
88% complete
X-ray
Case

Avulsion fracture of the 5th metatarsal styloid - pseudo-Jones fracture

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 23 Jun 2018
75% complete
X-ray
Case

Avulsion fracture of the 5th metatarsal styloid - pseudo-Jones fracture

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 10 Jul 2018
91% complete
X-ray
Case

Avulsion fracture of the 5th metatarsal styloid - pseudo-Jones fracture

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 02 Jul 2018
91% complete
X-ray
Case

Avulsion fracture of the 5th metatarsal styloid - pseudo-Jones fracture

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 02 Sep 2018
91% complete
X-ray
Case

Avulsion fracture of the 5th metatarsal styloid - pseudo-Jones fracture

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 30 Oct 2018
91% complete
X-ray
Case

Avulsion fracture of the 5th metatarsal styloid - pseudo-Jones fracture

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 13 Sep 2018
91% complete
X-ray
Case

Bartholin gland cyst

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 24 Aug 2018
77% complete
CT
Case

Bartholin gland cyst

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 10 Sep 2018
74% complete
CT
Case

Beam hardening and ring artifacts

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 27 Dec 2020
92% complete
CT
Case

Benign adrenal adenoma

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 17 Nov 2020
77% complete
CT
Case

Benign external hydrocephalus

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 29 Jun 2017
74% complete
CT
Case

Benign external hydrocephalus

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 28 May 2018
74% complete
CT
Case

Bicornuate bicollis uterus

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 12 Jul 2018
95% complete
MRI
Case

Bicornuate unicollis uterus

 Diagnosis almost certain
Dr Mohammad Taghi Niknejad
Published 25 Aug 2018
75% complete
Fluoroscopy
Case

Bicornuate uterus

 Diagnosis certain
Dr Mohammad Taghi Niknejad
Published 12 Jan 2021
82% complete
Fluoroscopy