ORAL PATHOLOGY LAB FINAL

A 9 year old with deep caries on 46 with mild pain. An OPG was taken and provided below

Garres Osteomyleitis

Occlusal Radiograph

Garres Osteomyelitis

A 45 year old with severe pain and swelling in 35 region of 2 weeks duration. The patient also presents with fever chills, and lymph node enlargement on same side. Intraorally accumulation of pus along with fetid odor could be noted. Provide differential diagnoses

Acute Suppurative Osteomyelitis

Periapical Abscess

An OPG was taken and provided below. Describe the name of appearance and provide diagnosis

Acute Osteomyelitis (moth eaten appearance)

Osteomyelitis

Bone + CT

Acute Osteomyelitis

Chronic Osteomyelitis

Condensing Osteitis

Condensing Osteitis

Condensing Osteitis

A 19 year old patient present with mild swelling of lower jaw. Intra orally a small swelling was visible over left third molar region. A radiograph taken. Provide Differential diagnosis

OKC

Dentigerous Cyst

OKC / dentigerous cyst

A 35 year old patient present with mild swelling of lower jaw. Intra orally a small swelling was visible over left third molar region.

OKC

OKC

A 25 year old patient present with mild swelling of lower jaw. Intra orally a small swelling was visible over right third molar region. A radiograph taken. Provide Differential diagnosis and justify

OKC

Ameloblastoma

Multilocular Radiolucency

OKC

A 25 year old patient present with mild swelling of lower jaw. Intra orally a small swelling was visible over right molar region. A radiograph taken. Provide diagnosis and justify

Orthokeratinized Odontogenic Cyst

diagnose and justify

Orthokeratinized Odontogenic Cyst

Because of the keratin layer

A 55 year old patient present with mild swelling of upper jaw. A biopsy was taken and the image is provided below.

OKC (inflamed towards one side)

Lining Epithelium - OKC

Basal Cell Budding - OKC

Daughter Cyst - OKC

Odontogenic Epithelial Rests - OKC

A 25 year old patient present with mild swelling of lower jaw. Intra orally a small swelling was visible over right third molar region. A radiograph taken. Provide Differential diagnosis

Dentigerous Cyst

OKC

Epithelial Lining - Dentigerous Cyst

Cystic Lining

Marsipulization/shrunken cyst

A 25 year old patient present with mild swelling of front jaw. Intra orally a small swelling was visible left vestibular region molar region and 23 was missing. A radiograph taken. Provide Differential diagnosis

Dentigerous cyst

Adenomatoid

odontogenic tumor

The mother of a 2 month old baby has a concern of white nodules in the mouth of her kid. The clinical image is shown below. There is no pain or any other symptoms. Provide diagnosis

Epstein Pearls

The mother of a 1 month old baby has a concern of white nodules in the mouth of her kid. The clinical image is shown below. There is no pain or any other symptoms. Provide diagnosis

Bohn Nodules

A full term newborn boy, weighing 3 kg, born out of an uncomplicated pregnancy, was brought to us for evaluation of a few small, white and round bumps on the gingival surface. Examination of the oral cavity showed multiple, firm, pearly-white papules measuring 2 to 4 mm in diameter, grouped over the vestibular aspect of the alveolar ridge of the maxillary arch

Bohn Nodules

The mother of a 1 month old baby has a concern of white nodules in the mouth of her kid. The clinical image is shown below. There is no pain or any other symptoms. Provide diagnosis and management

Bohn Nodule

No Treatment

The mother of a 1 month old baby has a concern of a bubble in the mouth of her kid. The clinical image is shown below. There is no pain or any other symptoms. Provide diagnosis and synonym

Gingival cyst of newborn/infant

Dental lamina cyst of infants

Spot the cyst and provide diagnosis

Gingival cyst of newborn/infant

Dental lamina cyst of infants

12-year old male patient, which presented as a swelling involving the gingiva in the region of 11 of 5 year duration

Eruption Cyst

7-year old male patient, which presented as a swelling involving the gingiva overlying the crown of 21

Eruption Cyst

Surgical Incision of Eruption Cyst

A 30 year old female presented with complaint of swelling in the lower jaw. Intraorally a swelling was not over the left vestibule spanning over 43 to 35. Provide differential diagnosis.

Calcifying odontogenic cyst

Calcifying epithelial odontogenic tumor

Label top to bottom and name the disease

Ghost Cells

Odontogenic epithelial lining with stellate reticulum like cells

Ameloblasts like basal cells

Calcifying Odontogenic Cyst

Calcifying Odontogenic Cyst

A 17-year-old patient referred by his orthodontist following the fortuitous discovery of a mixed radiolucent/radiopaque image in the right jaw. Provide DD

Calcifying odontogenic cyst

Calcifying epithelial odontogenic tumor

Calcifying odontogenic cyst

Ghost Cells

Calcifying Odontogenic Cyst

A 51-year-old male patient presented with a well-delimited, radiolucent, mandibular lesion, located between the roots of the right lower lateral incisor and canine and evidenced during routine radiographic examination. Provide 2 differential diagnosis

Lateral Periodontic Cyst

OKC

1-2 layer reduced enamel epithelium

Lateral Periodontal Cyst

A 43-year-old male patient with a complaint of painless swelling in the left mandibular premolar region. Although the history revealed a presence of the swelling for more than one year without any associated symptoms, the patient preferred to obtain clinical consultation as he was concerned about the swelling. The patient had no previous history of dental treatment except for periodic oral prophylaxis. Provide two differential diagnosis

Lateral periodontal cyst

OKC

Provide 2 DD

Lateral periodontal cyst

OKC

Lateral Periodontal Cyst

Botroid odontogenic cyst

Botroid odontogenic cyst

Botroid odontogenic cyst

Botroid odontogenic cyst

Botroid odontogenic cyst

A 35-year-old woman presented with the chief complain of asymptomatic swelling in the lower front region of jaw since 4 months. On clinical examination, hard swelling was present on body of mandible in relation to 33 to 43, obliterating the buccal vestibule and measuring about 1.5 cm in diameter. On palpation, the lesion was nontender, with no discharge, and the overlying mucosa was normal. Provide DD

OKC

Glandular odontogenic cyst

Odontogenic tumor

Glandular odontogenic cyst

Mucous cell/goblet cell

Glandular odontogenic cyst

Microcyst

Glandular odontogenic cyst

Cilia

Glandular Odontogenic Cyst

Glandular Odontogenic Cyst

Clear Cells

Glandular Odontogenic Cyst

Glandular Odontogenic Cyst

Characteristic of cysts and tumors of jaw

Buccal Expansion

Characteristic of cysts and tumors of jaw

Lingual Expansion

Buccal Expansion

Palatal Expansion

32 year old male patient with complaint of swelling in midline of palate of 3 months duration. There is no pain or any other symptoms. Provide differential diagnosis and justify

Periapical Cyst

Incisve Canal Cyst

62 year old male patient with complaint of swelling in midline of palate. Provide differential diagnosis and justify

Incisive Canal Cyst

OKC

Pear shaped and in between central incisors

A 23 year old presenting with a cystic swelling in midline in the anterior region of palate. Provide differential diagnosis

Incisive Canal Cyst

OKC

A 52 year old presenting with a cystic swelling in midline in the anterior region of palate. Provide differential diagnosis

Periapical cyst

Incisive canal cyst

Label top to bottom and diagnose

Pseudostratified ciliated columnar epithelium

goblet cells/mucous cells

Incisive Canal Cyst

A 31 year old presenting with a cystic swelling in lateral aspect between lateral incisors and canine. Provide differential diagnosis

globulo- maxillary cyst?

OKC

Lateral periodontal cyst

Provide DD

globulo- maxillary cyst?

OKC

Lateral periodontal cyst

A 45 year old presented with a cystic swelling in midline of the neck. Provide DD

Thyroglossal duct cyst

Dermoid/epidermoid cyst

Diagnose

Mucocele

Mucocele - Extravasation type

Mucocele - Extravasation Type

Mucocele - Retention Type

Label top to bottom and diagnose

Lining Epithelium

Mucin

Mucocele - Retention Type

Label top to bottom and diagnose

Mucinophages

Mucin

Mucocele - Extravasation Type

Ranula

Ranula

A 35 year presented with cystic swelling on lateral part of forehead of 2 cm diameter. Provide DD

Dermoid Cyst

Epidermoid Cyst

A 35 year presented with cystic swelling on lateral part of forehead of 2 cm diameter. The microscopic image is shown below.

Dermoid Cyst

A 35 year presented with cystic swelling on left side of the neck of 2 cm diameter. Provide DD

Dermoid Cyst

Epidermoid Cyst

Lable top to bottom and diagnose

Keratin

Orthokeratinised stratified squamous epithelium

Epidermoid Cyst

OKC

Odontogenic Tumor

Lable top to bottom and diagnose

Bone

Cavity without lining epithelium

A 20 year old boy presented with swelling of the lower face.

Provide DD

Anyeursmal Bone Cyst

Ameloblastoma

A 9 year old boy presented with swelling of the lower face. Provide DD

Aneurysmal Bone Cyst

OKC

Ameloblastoma

Label from top to bottom and diagnose

Blood filled sinuses/spaces

Giant Cells

Anyeursmal Bone Cyst

A 18 year old boy presented with cystic swelling of mandible. Provide DD and justify

ABC

Ameloblastoma

Label from top to bottom and diagnose

Blood filled sinuses/spaces

Giant Cells

Anyeursmal Bone Cyst

An 18-year-old woman presented with unilateral rhinorrhea for past 2 months. She had a history of road accident 12 months months ago and trauma to the maxillary bone and was surgically fixed. Provide DD

Mucosal cyst

Surgical cyst of maxillary antrum

A 42-year-old woman came complaining of intermittent stinging pain in her right cheek. There were no clinically abnormal findings in physical and oral examinations. The patient only had a history of orthognathic surgery on both the maxilla and the mandible performed about 21 years prior to this visit

Surgical cyst of maxillary antrum

A 45 year old patient presented with bilateral white lace like patches throughout buccal mucosa. There is mild burning sensation on eating. What is your diagnosis? Provide one differential diagnosis

Lichen planus (reticular)

DD: Lichenoid reaction

Label from top to bottom and diagnose

Saw tooth rete pegs

juxta-epithelial band of inflammatory cells

Lichen Planus

Label from top to bottom and diagnose

Liquefactive degeneration of basal cells

Juxta epithelial band of inflammatory cells

Lichen planus

A 45 year old patient presented with bilateral white lace like patches thoroughout buccal mucosa. There is severe burning sensation. What is your diagnosis?

Lichen planus (Erosive)

A 52year old patient presented with white lesions on tongue on both sides. There is severe burning sensation. A biopsy was taken and the histopathological image is shown here. What is your diagnosis?

Lichen Planus

Label from Top to Bottom and Diagnose

Hyperparakeratinosis

Acanthosis

Basal Cell Degeneration

Colloid Bodies

Max-Joseph Space

Juxtaepithelial dense band of lymphocytes

Connective tissues

Deeper Adipocytes

Lichen Planus - Features