MOST COMMON CAUSES AND CONDTIONS
Most common causes and conditions, is a commonly asked question in exams.Given below is a compilation of some frequently asked most common causes and their answers.
Most common Cause of intracranial metastasis-Ca lung
Most common Cause of hepatic metastasis – Bronchogenic carcinoma
Most common Cause of hepatic mets from GIT – Colonic ca
Most common Cause of Intrauterine Growth retardation-C/c pyelonephritis?
Most common Cause of HTN in children-A/c Glomerulonephritis
Most common complication of CSOM-Temporal lobe abscess
Most common ovarian tumour in pregnancy-Teratoma/Dermoid cyst
Most common joint involved in Osteo Arthritis-Knee joint
Most common of interstitial/atypical pneumonia- Mycoplasma
Most common Glycogen storage disease-Gaucher’s disease
Most common porphyria-Porphyria cutanea tarda.
Most common cause of childhood nephrotic syndrom-Minimal change disease
Most common cause of adult nephrotic syndrome- Membranous glomerulonephritis.
Most common cancer-Lung cancer
Most common cancer in females-Breast cancer
Most commoncause of maternal deaths-Obstetric hemorrhage(PPH)
Most common cause of Blindness in India-Cataract
Most common site of Gastrinoma- Duodenum.
Most common Paraneoplastic Syndrome-Hypercalcemia
Most common paraneoplastic endocrinopathy-Cushings syndrome
Most common presentation of meckel’s diverticulum-Bleeding
Most common s/e of radiation on heart —— Pericardial effusion
Most common cause of cushing’s disease- pituitary microadenoma
Most common Cause of primary hyperaldosteronism- b/l cortical hyperplasia
Most common aldosterone producing adrenal tumour- u/l adrenal adenoma
Most common cause of post trauma vegetative state- diffuse axonal injury
Most common asso anomaly with coarctation of aorta- bicuspid aortic valve
Most common cause of vasculitis in child- henoch-schonlein purpura
Most common feature of aortitis on x-ray- calcified ascending aorta
Most common intra-abdominal malignancy in children – Neuroblastoma
2nd Most common intra-abdominal malignancy in children – Wilm’s tumor
Most common hepatic malignancy in children – Hepatoblastoma
Most common soft tissue sarcoma – Rhabdomyosarcoma
Most common site for rhabdomyosarcoma – Head and neck
Most common Pediatric tumor – ALL
2nd Most common Pediatric tumor – Brain tumor
Most common brain tumor in children – Astrocytoma
Most common brain tumor in infancy – Supratentorial
Most common brain tumor between 1-10 yrs of age – Infratentorial
Most common brain tumor after 10 yrs of age – Supratentorial
Most common embryonal brain tumor – Medulloblastoma
Most common renal mass in neonates – Multicystic renal dysplasia
Most common malignant tumor of kidney – Wilm’s tumor
Most common tumours in parts of mediastinum-
Anterior- thymomas
Mid- cyst
Posterior- neurogenic tumours
Most common tumour of mediastinum- neurogenic tumours
Most malignant masses of mediastinum- lymphomas
Most common site of colonic volvulus- sigmoid
Most common cause of renal artery stenosis
- old age- atherosclerosis
- young(india)- Takayasu arteritis
- young( western world)- fibro muscular dysplasia
Most common of eye in AIDS
1. Lesion- microvasculopathy of conjunctiva and retina
2. Infection- chorioretinitis
3. Neoplasm- kaposi sarcoma
4. Cause of chorioretinitis- CMV
5. Finding in HIV retinopathy- cotton wool spots
6. Rx of CMV retinitis- ganciclovir,foscarnet
MOST COMMON site in GIT
Small bowel carcinoid-ILEUM
Ulcerative colitis,hirsprung disease-RECTUM
Polyps in peutz jegher syndrome,pneumatosis cystoid intestinale–JEJUNUM
Amoebic colitis,volvulus-SIGMOID COLON
Bleeding from angiodysplasia-RIGHT COLON
Brenner’s gland-1ST PART OF DUODENUM
Most common cause of maternal death- Obstetric haemorrhage
Most common of Isoniazid resistance- kat G gene mutation
MC primary lymphoma of spleen- NHL
-cause of seizure in newborn-HIE
MC type of seizure in newborn-subtle
MC extranodal site of lymphoma
MC tumours in newborn-sacrococcygeal teratoma
-most common testicular tumour–prepuberty–yolk sac tumour
overall–seminoma
in age above 50– lymphoma
MCC of hereditary thrombophilia-factor V leiden mutation
MC hereditary cause of venous thrombosis-factor V leiden mutation
MC hereditary blood coagulation disorder-factor V leiden mutation
mc pancreatic tumour in men1- gastrinoma…
mc complication of IUCD- Bleeding…
mc sites of primary for bone metastasis- male-prostate>lung
female-breast>lung
children- neuroblastoma
mc osteolytic mets- male-lung ca
female-breast ca
mc osteoblastic mets- male-prostate
female-breast ca
mc glomerulopathy worldwide-IgA nephropathy
mc cardiac tumours are secondaries
mc primary neplasm of the heart -myxoma
mc in infants and children-rhabdomyomas
MC site of sub ependymal astrocytoma-foramen of munroe
MC corneal dystrophy-keratoconus
MC anterior corneal dystrophy-Anterior basement membrane dystrophy (ABMD)
MC of stromal dystrophies-Lattice dystrophy is usually an autosomal dominant condition
MC endothelial corneal dystrophy-Fuchs
Macular dystrophy of the cornea is the least common, but most severe
MC phakomatosis-neurofibromatosis(NF1)
MC involved in vestibular schwannoma- SUP. VES. > INF. VEST. > COCHLEAR DIV.
MC site of TB lung-Apices
mc injury encounter in spine injuries-flexion of spine
MCC of viral meningitis-enterovirus
MCC of sporadic viral encephalitis-HSV1
MCC of epidemic viral encephalitis-Arbovirus
MC site for thrombin formation in DIC-Brain
Very useful for prepg examination becuause there is always questions about most common cause,most common site,and most common symptoms.But this should be associated with reasons.
Dr.Ajeet Chamania
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