#Gross  

#Diagnosis 👉🏻  Colloid goiter -thyroid with colloid cysts-
( simple goiter/diffuse nontoxic goiter)


#The_white_arrow
Large colloid cyst

#The_black_arrow
Small colloid cyst

#The_features
Diffuse enlargement gland with brownish cysts, cut surface is brown (colloid)

#Gross

#Diagnosis 👉🏻 follicular thyroid neoplasm (follicular adenoma)


#The_white_arrow
Normal thyroid

#The_black_arrow
Capsule

#The_blue_star
Neoplasm (adenoma)

#The_features
- an encapsulated round
neoplasm with a uniform (solitary) nodule.
- bright brown appearance, surrounded by a rim of normal thyroid

NOTES
• Cause pressure symptoms
• Painless
• Cause hyperthyroidism

#Gross

#Diagnosis 👉🏻 follicular thyroid neoplasm ( follicular adenoma )

#Gross

#Diagnosis 👉🏻  Papillary carcinoma


#The_blue_arrows
Normal thyroid

#The_black_arrows
Tumor tissue

#The_red_arrow
Calcification (Psammoma body)

#The_yellow_arrows
Tumor tissue
هنا عامله infiltrative

#The_features
- The tumor is usually solid
- grey white in color
- papillary projections
- sometimes it can be multifocal
- encapsulated or infiltrative
- calcification (appear white in color)

#Gross

#Diagnosis 👉🏻  Papillary carcinoma


#The_blue_arrow
Colloid

#The_black_arrow
Normal thyroid

#The_white_arrow
papillary projections of the tumor

#The_white_star
Tumor tissue

#Gross

#Diagnosis 👉🏻  Papillary carcinoma


#The_black_arrow
papillary projections of the tumor

#The_white_arrows
Tumor tissue

#The_blue_arrow
Calcification

#The_green_arrow
Normal thyroid

#Gross

#Diagnosis 👉🏻  Normal adrenal gland


#The_black_arrow
Normal right adrenal gland

#The_white_arrow
Adipose tissue

#The_blue_arrow
Kidney

#Gross


A
#Diagnosis 👉🏻  Atrophy adrenal gland
DUE TO Addison’s disease or Long term using of Corticosteroids and stop using it suddenly not gradually

B
#Diagnosis 👉🏻 Normal adrenal gland
• The cortex is yellow in color
• The medulla is red in color

C
#Diagnosis 👉🏻 adrenal hyperplasia
DUE TO Cushing's disease

#Gross

#Diagnosis 👉🏻  Adrenocortical adenoma


#The_white_arrow
Adenoma

#The_features
- Circumscribed , Unilateral, solitary
- yellow tan in color
- Hemorrhage
- Functional adenoma may result in atrophy of contralateral adrenal cortex

NOTE
Cause hypertension and hypokalemia

#Gross

#Diagnosis 👉🏻  Pheochromocytoma


#The_black_arrow
Small remnant of remaining adrenal

#The_white_star
adrenal neoplasm

#The_blue_arrow
Hemorrhage

#The_white_arrows
Cortex

#The_features
- Well circumscribed and unencapsulated
- Solid , gray tan
- hemorrhagic in cut surface

#Gross

#Diagnosis 👉🏻  Phenochromocytoma
"chromaffin reaction"


#The_red_arrow
tumor which has not been placed in dichromate fixative

#The_white_arrow
tumor at the bottom has been placed into a dichromate fixative
والذي يظهر لنا باللون البني الغامق وذلك عشان انه catecholamines حصلها oxidized

#GROSS

#Diagnosis 👉🏻 Normal cerebral cortex


#The_black_arrows
Neurons
Large nuclei with prominent nucleoli

#The_red_arrows
Oligodendrocyte
Small hyperchrmatic nuclei with clear cytoplasm

#The_blue_arrows
Astrocyte
Start or elongated or triangle

#The_brown_area
Microglial cell
Nucleus elongated

#GROSS

#Diagnosis 👉🏻 Normal white matter


#The_black_arrows
Axon

#The_blue_arrows
Oligodendrocyte

#The_red_arrows
Microglia

#The_white_arrow
Astrocyte

#GROSS

#Diagnosis 👉🏻 Cerebral infarct
After 2 weeks


#The_black_arrow
Liquefactive necrosis
Due to Ischemia

#The_White_arrow
Oil hole (cystic spaces) with hemorrhage

#GROSS

#Diagnosis 👉🏻 Intracranial hemorrhage

#The_white_arrow
Hemorrhage
In the basal ganglia
non-traumatic and caused by hypertension

#GROSS

#Diagnosis 👉🏻 Intracranial hemorrhage


#The_white_arrow
Hemorrhage
In the basal ganglia
non-traumatic and caused by hypertension

#GROSS

#Diagnosis 👉🏻 acute bacterial meningitis

#The_black_arrows
Pus

#The_white_arrow
Congestive and dilated blood vessels

#GROSS

#Diagnosis 👉🏻 Viral Encephalitis
(Herbes Encephalitis)


#The_black_arrow
Hemorrhage

#GROSS

#Diagnosis 👉🏻 congenital cytomegalovirus


#The_black_arrow
Periventricular calcification (chalky white)

#GROSS

#Diagnosis 👉🏻 meningioma


#The_black_arrows
meningioma