PACES Flashcards
What is associated with POI?
Iatrogenic - chemo/radiotherapy, gnrh analogues, surgery
Genetic - FH, choromosomal abnormalities
Auotimmune - Addison’s, T1DM, thyroid disease
Infection - TB, mumps
Idiopathic
Fertility options for POI?
Normally IVF with donor eggs. Can carry pregnancy.
5-10% of women can conceive without medical assistance
Questions to ask with amenorrhoea presentation?
Headaches/visual changes/galactorrhoea/changes to smell
Hot flushes/brain fog
Hirstuism/weight gain/acne
Exercise/weight/stress
Hx of autoimmune disease/chemo/radiotherapy
Non-hormal treatments for POI?
Lifestyle advice, SSRIs, clonidine, CBT, antidepressants, vaginal moisturisers/lubricants
Couple struggling to conceive - questions?
How long have you been trying?
How often sexual intercourse?
Any previous children?
Menstruation - oligomenorrhoea etc.
Endometriosis sx - dymenorrhoea
Visual changes/galactorrhoea
Hot flushes/brain fog
Acne/hirstuism/weight gain
Exercise/stress/diet/smoking/alcohol/occupation
Any PID/previous tubal surgery
Contraception
Vitamin supplements
What are possible complications of assisted conception?
Ovarian hypersensitivity syndrome, multiple pregnancy, pelvic infection, ectopic pregnancy
How is ovarian reserve tested?
Antral follicle count, AMH, FSH
When is laproscopy and dye done?
History of tubal issues
How long can you give clomifene for?
6 months? Monitor with USS.
Risks of induction
Ovarian hyperstimulation
Risks of prolonged pregnancy?
Stillbirth, increased mortality risk, meconium aspiration, prolonged labour, shoulder dystocia, IUGR, obstructed labour, perineal damage, instrumental delivery
Why does PCOS increase risk of endometrial malignancy?
A major factor for this increased malignancy risk is prolonged exposure of the endometrium to unopposed estrogen that results from anovulation
PCOS and endometrial cancer link?
A major factor for this increased malignancy risk is prolonged exposure of the endometrium to unopposed estrogen that results from anovulation
Side effects of metformin
B12 deficiency, diarrhoea, vomitting, nausea
Long term complications of PCOS
Metabolic syndrome, endometrial cancer, cardiovascular disease, diabetes, hypertension, impaired glucose tolerance.
Mechanism: Defect in insulin action - insulin resistance combined with abdominal obesity.
DDx for chicken pox?
Herpes zoster, impetgo, contact dermatitis, drug eruptions, erythema multiforme
Active third stage of labour treatment?
For women without risk factors for PPH delivering vaginally, oxytocin (10 iu by intramuscularinjection) is the agent of choice for prophylaxis in the third stage of labour. A higher dose of oxytocin is unlikely to be beneficial
What can be used to manage women at risk of PPH?
Ergometrine–oxytocin may be used in the absence of hypertension in women at increased risk of haemorrhage as it reduces the risk of minor PPH (500–1000 ml)
When to admit a child with febrile seizures?
First seizure, on antibiotics, unsure of cause, <18 months old, complex focal seizure
What specific questionnaire can you use to assess anorexia nervosa?
SCOFF
Lymphocyte invasion are indicative of what?
Chronic inflammation
Erosion definition?
Loss of surface epithelium +/- lamina propria (muscularis intact)
What cells are seen in Barett’s oesophagus?
Goblet cells (+ve goblet cells has a worst prognosis)
Cause of oesohpagus squamous cell carcinoma?
Cigarette and alcohol consumption
Treatment of upper GI variceal bleeding
Resuscitate with blood and crystalloids
-Terlipressin
-Score
-Scope
-Infuse with PPI
What cells are not seen in stomach?
Goblet cells
Acute gastritis causes?
Alcohol consumption, NSAIDs, etc. (H. Pylori), StressStomach is the most sensitive organ in the GI tract to ischaemia
Chronic gastritis causes?
A: autoimmune (pernicious anaemia)
B: bacteria (H. Pylori)
C: corrosives (bile reflux, NSAIDs)
CMV (patients on immunosuppression) and Crohn’s
H. Pylori Eradication Tx
One-week triple-therapy
-PPI
-Clarithromycin
-Amoxicillin or metronidazole
H. pylori can cause what?
MALT (b cell lymphoma)
Most common gastric cancer?
Adenocarcinoma
Types of adenocarcinoma gastric cancer?
Diffuse and intestinal
Describe diffuse adenocarcinoma of the stomach
Diffuse: single-cell architecture, no gland formation, contain signet ring cell
what type of cell lines the stomach?
Parietal cells
Most common cause of duodenal ulcers?
H. Pylori
Complication of anterior duodenal ulcers?
Peritonitis
Complication of posterior duodenal ulcers?
Haemorrhage
What is Lymphocytic duodenitis?
Distinct from coeliac disease but usually a continuum
Increased intraepithelial lymphocytes = CD8+ T Cells
(20: 100 lymphocytes: enterocytes)
Architectural villous structure normal = normal villi, normal crypts
-Many have mild coeliac disease
Most common colorectal cancer?
Adenocarcinoma
Which polyps of the large bowel have higher risk of cancer?
Higher risk of cancer:
-Larger polyps
-More polyps
-Higher villous component
-Dysplastic features
Which zone of the liver is most metabolically active?
Zone 3
Histology of acute hepatitis?
Spotty necrosis, foci of inflammation
Rhodanine” stain used for what?
Wilson’s disease
Discuss Wilson’s disease
Wilsons disease
Cannot excrete copper
Genes on Chromosome 13
AR
Parkinons, ‘aggressive behaviour’
Chromosome involved in haemachromatosis?
6
Leads to cardiomyopathy
Piecemeal necrosis describes what?
Interface hepatitis - chronic hepatitis
Signs of alcoholic hepatitis?
Ballooning of cells
Mallory Denk Bodies (pink material within cells)
Apoptosis
Pericellular fibrosis
Zone 3 – acetaldehyde highest, and relatively hypoxic
Commonest liver cancer?
Mets
What do alpha cells produce?
Glucagon
What do beta cells produce?
Insulin
What do delta cells produce?
Somatostatin
Peri-ductal acute pancreatitis - cause?
obstructive
Acinar cells adjacent to the ducts undergo necrosis
Peri-lobular acute pancreatitis - cause?
Vascular cause
Complication of acute pancreatitis?
Haemorrhagic pancreatitis
Dx of acute pancreatitis?
Serum lipase
Pancreatic pseudo-cyst?
collection of fluid without an epithelial lining
Most common tumour of the pancreas?
Ductal carcinoma
Mutation in pancreatic ductal carcinoma?
Kras mutation
Most common location of ductal carcinoma?
Head of the pancreas
Most common location of neuroendocrine tumour?
Tail of the pancreas
Most common neuroendocrine tumour and association
MEN1, non-secretory
Most common secretory neuroendocrine tumour?
Insulinoma (beta cells)
Mechanism of HPV causing cervical cancer?
Inhibiting TSGs (E6 and E7 enzymes)
Most common cyst?
Follicular cyst
What is hyperplasia?
Increased number of cells
Differentiated VIN Risk factors?
Lichen sclerosis - can progress to SCC
Vulval cancer is normally what type?
SCC
Risk factors for clear cell vulval cancer?
Teenagers, COCP
Cervical cancer is normally what type?
SCC (80%)
E6 inactivates which gene?
P53
E7 inactivates which gene?
Retinoblastoma (Rb)
Most common endometrial cancer?
Adenocarcinoma
(80% endometroid)
Histology of fibroids?
Bundles of smooth muscle cells
Endometrial tissue within the myometrium?
Adenomyosis
Signs of endometriosis histology?
Chocolate cysts, powder burns
Mutation in endometroid endometrial cancer?
PTEN
Subtypes of endometroid endometrial cancer?
Endometroid, serous, mucinous
Subtypes of non-endometroid endometrial cancer?
papillary, clear cell, serous
Violin strings and pre-hepatic lesion?
Fitz-Hugh Curtis syndrome. Adhesions around the liver. Associated with PID.
Causes of PID?
TB, schistomiasis, staph aureus, gonorrhoea, chlamydia
Most common ovarian cancer?
Epithelial (90%)
Most common malignant ovarian cancer in young women?
Dysgerminoma
What is associated with Rokitansky’s protuberance?
Dermoid cyst
Micro-calcifications on non-invasive breast screening
Ductal carcinoma situ
Most common breast cancer?
Invasive ductal carcinoma
single best prognostic indicator of breast cancer?
Lymph node
USS of the breast age?
<35
B5a = what diagnosis?
Ductal carcinoma in situ
B5b = what diagnosis?
Invasive ductal carcinoma
What does B4 mean?
suspicious
What does B3 mean?
Uncertain
Stromal and epithelial?
Fibroadenoma
Phyllodes tumour is malignant version
Lumpiness, transilluminable?
Fibrocystic disease
Stellate area
Radical scar
Which proliferative breast condition has highest rate of turning malignant?
In situ lobular neoplasia
Breast cancer grading system?
Nottingham grading system
What part of brain is affected first in alzheimer’s
Hippocampus
Most common tumour in children
Pilocytic astrocytoma
Intraparenchymal haemorrhage site most common?
Basal ganglia
HTN
Hyperattenuation within the circle of willis?
SAH
Lemon shape bleed?
extradural haemorrhage
most common cell in the brain?
Astrocytes
Near the surface brain tumour?
Meningioma
Cancers that metastasise to the brain?
Lung, skin, breast
Most aggressive brain tumour?
Glioblastoma multiforme (grade 4)
Grade 2/3 tumour?
Diffuse glioma
Craniopharyngioma buzzwords?
Inferior bitemporal hemianopia (grow downwards)
Pituitary tumour
Superior bitemporal hemianopia
Ependyoma buzzword?
Posterior fossa, Tuberous sclerosis
Medulloblastoma?
In the cerebellum, squinting child
Meningioma?
Psomomma bodies
Order of dementias?
Alzheimer’s > vascular > Lewy-body dementia > frontotemporal dementia
Alzheimer’s aetiology
Beta amyloid plaques
Hyperphosphorylation of tau
Pathophysiology of Frontotemporal dementia?
Pick bodies
Staging for alzheimer’s
BRAAK
Alpha synuclein mutation?
Parkinson’s, lew-bodies
Most common malignant bone cancer in adults?
Osteosarcoma
Café au lait spots, Chinese letters, difficulty walking, shepherd’s crook deformity
McCune-Albright syndrome
(also associated with precocious puberty)
Genetic predisposition of RA?
HLA DR4
First stage of TB infection?
Ghon focus