AP EXAM 1 Flashcards
57/F, gastric biopsy.
The patient most likely has:
A. Increased gastrin production
B. Increased risk for gastric carcinoma
C. Markedly decreased acid production
D. All of the above
B. Increased risk for gastric carcinoma
Which phospholipid is recognized during efferocytosis of dead cells by its inversion from the inner to the outer leaflet of the cell membrane?
A. Phosphatidylserine
B. Phosphatidylcholine
C. Phosphatidylethanolamine
D. Phosphatidylinositol
A. Phosphatidylserine
Merkel cells will stain positive for which of these immunohistochemical markers?
A. Chromogranin
B. CD1a
C. CD38
D. None of the above
A. Chromogranin
Autopsy finding of a 56-year-old male, known smoker and hypertensive. What is the likely histopathologic finding from the specimen shown below?
A. Marked macrovesicular steatosis with dense portal inflammation forming lymphoid aggregates
B. Centrilobular congestion and hemorrhage with hepatocyte necrosis
C. Lobular disarray with ballooning hepatocytes and lymphocytic infiltrates
D. Periportal fibrosis with regenerative hepatocyte nodules
B. Centrilobular congestion and hemorrhage with hepatocyte necrosis
40/M, intracranial mass. Which of the following features is NOT part of the criteria that upgrade this tumour to a WHO Grade II tumour?
A. Geographic necrosis
B. mitotic activity of 4-19 mitotic figures per 10 high power fields
C. secretory variant
D. patternless growth
C. secretory variant
What is the most likely underlying cause of these findings?
A. Squamous cell carcinoma
B. Ocular herpes
C. Pinguecula
D. Vit. A deficiency
D. Vit. A deficiency
This tumour most likely came from:
A. Parotid gland of a 33/F SLE patient
B. Submandibular gland of a 14/M osteosarcoma patient undergoing chemotherapy
C. Sublingual gland of a 67/M betel nut chewer
D. Parotid gland of a 45/M smoker
D. Parotid gland of a 45/M smoker
What is the autopsy method of organ removal shown?
A. Letulle
B. Rokitansky
C. Ghon
D. Virchow
D. Virchow
Which of the following entities will not show a similar histology to the one pictured below?
A. Letterer-Siwe disease
B. Erdheim-Chester disease
C. Eosinophilic granuloma
D. Hand-Schüller-Christian disease
B. Erdheim-Chester disease
Which protein expression is altered leading to this gross finding?
A. Fibrocystin
B. Polycystin-1
C. Nephrin
D. Polycystin-2
A. Fibrocystin
16/F, pre-auricular mass fine needle aspiration biopsy (FNAB).
Diagnosis?
A. Acinic cell carcinoma
B. Mucoepidermoid carcinoma
C. Pleomorphic adenoma
D. Adenoid cystic carcinoma
A. Acinic cell carcinoma
Diagnosis?
A. Conjoined twin
B. Parasitic twin
C. Fetu-in-fetu
D. Fetiform teratoma
D. Fetiform teratoma
Left atrial pedunculated mass.
The constitutional symptoms associated with this tumor is most likely due to the elaboration of which cytokine?
A. Interleukin-3 (IL-3)
B. Interferon-gamma (IFN-γ)
C. Tumor necrosis factor-alpha (TNF-α)
D. Interleukin-6 (IL-6)
D. Interleukin-6 (IL-6)
Diagnosis?
A. Burkitt lymphoma
B. Mantle cell lymphoma
C. T-lymphoblastic lymphoma
D. Follicular lymphoma
D. Follicular lymphoma
47/F, breast mass.
The following are the features used in determining the grade of this tumor, EXCEPT:
A. Necrosis
B. Tubule formation
C. Mitotic activity
D. Nuclear pleomorphism
A. Necrosis
What is the most common congenital anomaly associated with this pathology?
A. Posterior urethral valve
B. Urethral stricture
C. Bladder neck obstruction
D. Primary vesicoureteral reflux
D. Primary vesicoureteral reflux
Biopsy of the skin in Sweet Syndrome would show:
A. Collections of mast cells in the dermal papillae
B. Cutaneous metastasis of neoplastic gustatory cells (taste bud cells), expressing the T1R2 protein which detects sucrose
C. Dense lymphocytic infiltrate with germinal centers
D. Sheets of neutrophilic infiltrate in the dermis without vasculitis
D. Sheets of neutrophilic infiltrate in the dermis without vasculitis
What is the immunophenotypic profile of breast tumors that are associated with BRCA1 mutations, and show medullary or metaplastic features?
A. ER (+), PR (+), HER2 (-)
B. ER (-), PR (-), HER2 (-)
C. ER (+), PR (-), HER2 (+)
D. ER (+), PR (-), HER2 (-)
B. ER (-), PR (-), HER2 (-)
65/F, extrafascial hysterectomy with bilateral salpingooophorectomy for an endometrial mass.
Which of the following statements is/are true regarding this type of tumor?
A. These tumors commonly have TP53 mutations and have aneuploidy.
B. This tumor is graded according to the amount of solid areas, including the squamous components.
C. Obesity and hyperestrogenism are associated with this type of tumor.
D. All of the other statements are true.
C. Obesity and hyperestrogenism are associated with this type of tumor.
Radiograph finding from a 32/F presenting with chronic back pain. The surgeon relays to you that the lesion appears “currant jelly-like”. What is the most likely diagnosis?
A. Hemangioma
B. Metastatic carcinoma
C. Tuberculous spondylitis
D. Paget disease
A. Hemangioma
25/F, forearm soft tissue mass. TFE3 immunostain was positive.
Which of the following is/are true about this tumour?
A. This tumor will also demonstrate INI1 loss.
B. This is a low-grade neoplasm with a good prognosis.
C. It is a translocation sarcoma.
D. All of the above are true
C. It is a translocation sarcoma.
What is the expected histopathologic finding if a skin biopsy was taken from the patient’s nose?
A. Widening of dermal connective tissue septa by edema, fibrin exudation and neutrophilic infiltration
B. Variable infiltrates of lymphocytes and macrophages around hair follicles and microabscess formation
C. Neoplastic infiltration of the dermis with a monoclonal T cell population
D. Hypertrophy of sebaceous glands and follicular plugging by keratotic debris
D. Hypertrophy of sebaceous glands and follicular plugging by keratotic debris
27/F, gravida 2 para 2, status post caesarean section.
Diagnosis?
A. Amniotic fluid embolism
B. Pneumonia
C. Coronavirus Disease-2019 (COVID-19)
D. Hyaline membrane disease
A. Amniotic fluid embolism
Forensic autopsy of a 41/M, utility worker, showed these distinctive hand lesions. What is the most likely cause?
A. Moist thermal injury/scald
B. Blunt penetrating injury
C. Electrical injury
D. Gunshot wound
C. Electrical injury