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General data

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(2)

Intern F

林修篁 林子傑 林詩詠 游傑丞

(3)

General data

y

Name :葉XX

y

Sex :男

y

Age : 19  y/o

y

Native : 高雄市

y

Marital status :未婚

y

Attending V.S. : 沈也雄 醫師

y

First visit :97/06/30

(4)

Chief Complaint

y A swelling mass over R’t cheek for 6 months.

(5)

Present Illness

y Patient has suffered from the painless swelling mass 

over R’t cheek for 6 months. But he feels pain when 

palpating. He went to 耳鼻喉科(高醫、彰基), but the 

doctor can’t make the impression surely, so he comes 

to our OPD for further evaluation and treatment.

(6)

Past history

y Past Medical History

y Denied any systemic disease 

y Denied any drug or food allergy

y Past Dental History

(7)

Personal history

y Risk factors related to malignancy

y Alcohol:(‐)

y Betel quid:(‐)

y Cigarette:(‐)

(8)

OMF Examanition

y

Size: 8 × 7 cm

y

Surface: Smooth

y

Base: Sessile

y

Shape: Dome

y

Color: Yellow

y

Consistency: Soft

y

Pain: (+) mild

y

Tenderness: (‐)

y

Induration: (‐)

y

Lymphadenopathy: (‐)

(9)

Image finding – Panorex 

y

Impaction: 18, 38, 48

(10)
(11)

Inflammation or neoplasm ?

y Fever or Local heat: unknown y Lymphadenopathy: (‐)

y Induration: (‐)

y Duration:6 months

Neoplasm tendency

(12)

Benign or malignant  neoplasm ?

y Mobility: unknown  y Ulceration: (‐)

y Induration: (‐)

y Duration: 6 months y Pain: (+), mild

y Facial n. palsy: (‐)

Benign tendency

(13)

Infection or not ?

y Fever or local heat: unknown y Pain: mild, tenderness: (‐) y Lymphadenopathy: (‐)

y Caries: free

y Periodontal condition: good y Duration: 6 months

Rule out infection

(14)

Neoplasm

(15)

Origin

Epi.

Salivary gland

Muscle

Neural tissue

Blood vessel

Fibers tissue

Fat tissue

(16)

Working Diagnosis:  benign neoplasm

y

Lipoma

y

Pleomorphic adenoma

y

Fibromatosis

y

Neurilemoma

(17)

Working Diagnosis:  Malignant neoplasm

y

Mucoepidermoid carcinoma

(18)

Working Diagnosis

y Lipoma

y Pleomorphic adenoma y Fibromatosis

y Neurilemoma

y Mucoepidermoid carcinoma

(19)

Our case Lipoma

Gender Male Balanced

Age 19 Any ages, but >40y/o most

Frequency Most common mesenchymal neoplasm

Symptom Mild pain swelling  Asymptomatic swelling

Site Buccal cheek Buccal mucosa; buccal vestibule 

Color Yellow Yellow

Consistency Soft Soft

Shape Dome Nodular

Size 8x7 cm Most less than 3cm

Induration (‐) (‐)

Surface Smooth Smooth

Duration 6 months Several months or years

Lipoma

(20)

Lipoma

Our case Lipoma

(21)

Our case Pleomorphic adenoma

Gender Male Slight female predilection

Age 19 30~50

Frequency Most common salivary neoplasm

Symptom Mild pain swelling  painless, firm mass

Site Buccal cheek Palate, upper lip, buccal mucosa

Color Yellow

Consistency Soft Firm

Shape Dome Dome

Size 8x7 cm

Induration (‐) (‐)

Surface Smooth Smooth

Duration 6 months slowly growing

Pleomorphic adenoma

(22)

Pleomorphic adenoma

Our case PA

(23)

Our case Fibromatosis

Gender Male

Age 19 Children or young adult

Frequency Uncommon in the oral region

Symptom Mild pain swelling  Painless mass, maybe cause bony distruction Site Buccal cheek Paramandibular soft tissue region

Color Yellow

Consistency Soft Firm

Shape Dome

Size 8x7 cm Can grow to considerable size Induration (‐)

Surface Smooth

Duration 6 months Rapid or insidious growth

Fibromatosis特徵要改!

(24)

Fibromatosis 

Our case Fibromatosis 

(25)

Our case Neurilemoma

Gender Male

Age 19

Frequency

Symptom Mild pain swelling  Site Buccal cheek

Color Yellow

Consistency Soft

Shape Dome

Size 8x7 cm

Induration (‐)

Surface Smooth Duration 6 months

Neurilemoma

(26)

Neurilemoma

Our case Neurilemoma

(27)

Our case Mucoepidermoid carcinoma

Gender Male Slight female predilection

Age 19 20~70

Frequency Most common salivary malignancies Symptom Mild pain swelling  Asymptomatic swelling

Site Buccal cheek Parotid gland, minor salivary gland  Color Yellow red or blue(minor salivary gland ) Consistency Soft

Shape Dome Dome

Size 8x7 cm

Induration (‐) (‐)

Surface Smooth Smooth

Duration 6 months Most p’t aware of the lesion for a year or less

Mucoepidermoid Carcinoma

(28)

Mucoepidermoid carcinoma

Our case MC 

(29)
(30)

Clinical impression

y Lipoma over R’t cheek

(31)
(32)

Image finding – CT 

(33)

Image finding – CT 

(34)

Image finding – CT 

(35)

Biopsy 08/07/04

y Excisional biopsy was performed over R’t buccal cheek  at OS dept.

y Check HP report on 97/07/29

(36)

Biopsy 08/07/04

Main finding: Grossly

y Yellowish in color and soft in consistency y Mucoid fluid is noted

y 3 representative sections are taken :

¾

A 1‐2: fragments of fat‐like tissue

¾

B: white solid mass    Main finding: In micro

y It contains many lipoblast‐like cells

y mature fat tissue are noted

(37)

Biopsy 08/07/04

Aggressive lipoblastoma

(38)
(39)

References

y Oral & Maxillofacial pathology ‐ second edition

y Differential Diagnosis of Oral and Maxillofacial lesions 

– fifth edition

(40)

參考文獻

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