Pathology EMQ .

Name:

Candidate number:

Theme: Cytopathology

 

OPTION LIST

 

A	Deep leiomyoma	I	Mastectomy
B	Desmoid	J	MFH-type sarcoma
C	Exfoliative sample	K	Neurilemoma
D	FNA	L	Nodular fasciitis
E	Glomus tumour	M	Pleomorphic rhabdomyosarcoma
F	High-grade myxofibrosarcoma	N	Solitary fibrous tumour
G	Low-grade myxofibrosarcoma	O
H	Lymph node biopsy	P

 

 

For each scenario below, choose the most appropriate answer from the list above. Each option may be used once, more than once or not at all.

 

1. 25 year old woman presents to breast clinic with painless, solid, mobile, rounded breast mass with smooth surface and rubbery consistency. There is no axillary lymphadenopathy. She has undergone clinical examination and had an ultrasounds scan of her breast. What is the next step?

 

 

2. A 20 year old man presents with 3cm painful mass. Cytological evaluation has shown marked pleomorphism in proliferating fibroblasts, ganglion-like cells and uniform chromatin structure. Stroma is rich in collagen and myxoid ground substance. What is the most likely diagnosis?

 

 

3. A 30 year old mother of 2 presents with smooth firm and mobile mass on her right shoulder. The overlying skin is unaffected. Lesion was difficult to aspirate. Cytology examination shows sheets of fibroblasts, fragments of cell-poor collagenous matrix and occasional giant muscle cell. What is the most likely diagnosis?

 

 

4. A 37 year old man presents with a mass on his left arm. Cytology reports tumour cells with cigar-shaped nuclei, segmented nuclei are also present. There is a moderate anisokaryosis and no mitosis. What is the most likely diagnosis?

 

 

5. A 79 year old woman presents with 3.4cm mass on the anterior aspect of her left leg. Cytological examination revealed curved vessel fragments in myxoid background, slight atypia in constitutional spindle cells. What is the most likely diagnosis?

 

 

 

ANSWERS

1. FNA

2. Nodular fasciitis

3. Desmoid

4. Deep leiomyoma

5. Low-grade myxofibrosarcoma